Unnamed Alpha and Beta Quadrant planets
List of unnamed planets located in the Alpha and Beta Quadrants.

Alnitak planet 
This was an inhabited planet orbiting Alnitak. Around 2030, a planet in this system was home to a novelist  who wrote a classic theme to the words, "Let me help." He recommended those words even over "I love you." ()

Ancient humanoid homeworld
The ancient humanoids originated from this planet 4.5 billion years ago. ()

Andorian gas giant 

This ringed gas giant was a planet in the Andorian system. This system was located in the Alpha Quadrant.

The moon Andoria, which served as the homeworld of the Andorians and the Aenar, orbited this planet, along with at least one other moon. (; ; )

Arboreal planet
An arboreal planet near the Denobula Triaxa system was the site where a group of Antarans had once settled. Despite their having left some time ago, some Denobulans, including Phlox's grandmother, believed it to be unclean. Phlox and some friends had been planning a trip there for months, but the week before they left, his grandmother told him he couldn't go due to the Antarans having lived there once. ()

Argo-like planet
Around 2269, a Federation planet "identical" to the planet  was expected to undergo seismic disturbances of a similar nature as had transformed Argo. The planet's population was at least in the millions. ()

Argolis Cluster planet
This planet was the fourth planet of a system in the Argolis Cluster.

In 2368, the  detected a distress call from a crash landed Borg scout ship on a moon of this planet. ()

Arkonian planet

This blue gas giant planet was in a system annexed by the Arkonians. It was visited by the Enterprise NX-01 in 2152.

The planet had sixty-two moons, at least some of which were partially habitable. Some of the moons' atmospheres were rich in selenium isotopes, which affected the sensor systems of the time. Many of them had an approximate overnight temperature of −10 degrees and a daytime high of 170 degrees.

Commander Tucker's  crash landed on one of the moons when an Arkonian patrol ship fired on him. ()

Baran's hide-out

After a short battle with the  in orbit of Calder II, mercenary Arctus Baran made a stopover at this planet to repair his ship in 2370. ()

Badlands gas giant
This planet was located in a star system in the Badlands. This gas giant had a moon where, in 2371, a Maquis courier ship crash landed on and Odo later encountered the Female Changeling. ()

Badlands planet
After the Maquis attacked the shuttle of Starfleet informant Cing'ta, he was marooned on a "particularly nasty" planet in the Badlands in 2373. ()

Beta Lyrae system planets

The Beta Lyrae system had at least two planets. ()

Betazoid colonies
In 2374, the Tenth Fleet was assigned to defend the Betazoid homeworld and its colonies during the Dominion War. ()

Binary system planet

This uninhabited planet was more than a hundred light years from Earth and more than twenty light years from the Takret system. It teemed with all sorts of plant and animal life. Its southern continent featured a gorge five times deeper than the Grand Canyon. Due to its binary suns it experienced night only four days a month.

The crew of Enterprise NX-01 was planning to explore the planet in 2152 when instead they were forced to take shelter in its orbit from a class five neutronic wavefront. ()

Blue planet in Klingon space

This planet, with at least three moons, was part of a system located inside Klingon space. In May 2154, a Bird-of-Prey hijacked by Augments dropped the Denobulan ship Barzai into its upper atmosphere. It became trapped between two thermal layers, forcing Enterprise NX-01 to halt the pursuit of the Bird-of-Prey to rescue the ship and its pilot. ()

Brechtian Cluster planets
These two inhabited planets in the Brechtian Cluster were a possible destination of the Crystalline Entity in 2368. ()

Breeding planets
At least two planets were used by the Gorn as breeding planets in the 23rd century.

The passengers and crew of the  were deposited on one in the 2230s or 2240s. The last survivor, La'an Noonien-Singh, was sent back into space on a Mark IV liferaft. ()

In 2259 the  rescued three refugees from one, a class M world. ()

Calindra planet

The Calindra planet was a gas giant in the Calindra system. It had several moons, which were used by the Xindi as a proving ground. ()

Cerritos encounter planet
In the space above this planet, there was an encounter between the USS Cerritos and a Klingon bird-of-prey in 2380. ()

Chakotay's colony
Chakotay's tribe moved to this world near the Cardassian border a few centuries before the 24th century. Kolopak died defending it. ()

Chin'toka system planets
The Chin'toka system, located in Cardassian space, contained a number of bodies, including a binary planet. ()

In 2374 the system was captured and occupied by the Federation Alliance. General Martok landed Klingon troops on two planets once the battle in their orbit was over. ()

A map depicting the layout of the system was displayed aboard Deep Space 9 in 2374, shortly before the First Battle of Chin'toka. The system was subsequently captured and occupied by the Federation Alliance, but fell to a Dominion-Breen counterattack the following year. ()

The Chin'toka system fell back into Dominion hands the following year, after a devastating Breen counterattack destroyed all but one of the Alliance's defending starships. ()

Class L planet (2153)

In  2153, Skalaar and Jonathan Archer set down on this planet to escape Kago and conduct repairs to Skalaar's Tellarite shuttle. The planet was located less than six light years from Klingon space. ()

Class L planet (2373)

In 2373, Odo and Quark crash landed on this planet. According to Quark, it wasn't much of a planet, and it wasn't much of a sun it orbited. It featured mountainous terrain where only rocks and trees were found there, no slugs, no beetles, no worms, no snails. Its plants appeared to be poisonous. ()

Class L planet in Rutharian sector

The  crashed on this Beta Quadrant L-class planet in the Rutharian sector in 2371, when it was returning from its long-term exploratory mission. ()

Class M planet 

This class M planet was one influenced by violent plasma storms.

In 2370, a shuttle carrying Captain Jean-Luc Picard and Voval crash landed on this planet. When Picard detected another structure on the surface, he went to investigate, finding the ruins of a Terellian cargo freighter and one survivor named "". ()

Cochrane namesakes
By 2267, several planets had been named after Zefram Cochrane. ()

Cratered planet
The rogue Starfleet ship  rendez-voused with a shuttle carrying admiral Katrina Cornwell while orbiting this reddish and barren looking planet with crater-like structures. ()

Crisis planet
In the mid-24th century, during a crisis, Lieutenant William T. Rikers solution was for his ship, the Potemkin, being powered down and holding a position over this planet's magnetic pole, hiding the starship from a foe's sensors. ()

Dark matter nebula planet

In 2374, Captain Benjamin Sisko and his crew crash-landed a Jem'Hadar attack ship on this planet in a dark matter nebula. ()

Denubian Alps planet

This planet's surface had a mountain range, called the Denubian Alps. ()

Deuterium mining colony 

On this planet, members of an alien species built a mobile colony used for mining deuterium. The surface was partly like a desert, rocky, and filled with deuterium fields. Some parts of the hills were filled with some green bushes, trees, and grass. ()

Diamagnetic storm planet
The Enterprise NX-01 surveyed a planet containing ruins of an extinct humanoid species in 2152. The ruins consisted of several underground chambers, some of them four thousand years old. The planet experienced intense diamagnetic storms from time to time. ()

Dominion planet

Damar and his Cardassian Rebellion sabotaged a Jem'Hadar attack ship that exploded while leaving orbit of this planet. ()

Dorvan sector planets
These three planets in the Dorvan sector were uninhabited and had similar environmental conditions to Dorvan V. They could be colonized immediately. ()

Douglas Station planet

Douglas Station, a Federation  space station, was in orbit of this planet in 2380. ()

Dytallix Mining Company planets
These six uninhabited planets, along with Dytallix B, were mined for the Federation by the Dytallix Mining Company. ()

El-Aurian survivors' planet
This planet was the home for survivors of the El-Aurian species in the aftermath of the invasion of their system by the Borg. Interviews with these survivors by Doctor George Herbert confirmed Starfleet Tacticals theory that reports of a combat force was, in fact, an advanced expedition by the Borg.

Information on this planet was included in the biographical data for Doctor Tolian Soran. ()

Enterprise library computer planets

A number of planets, not further commented upon, were displayed on screens aboard the . ()

Exchange planet
This planet was the location of an exchange in the late 32nd century. The planet had at least one moon.

In 3188, Michael Burnham visited this planet as a courier, where she exchanged goods for dilithium and for information about the cause of The Burn. While there, she was handed a data capsule with data about a Federation starship. ()

Far future planet 

On this planet in the far future, a professor was educating her students about great historical figures from Starfleet history. ()

Federation outpost
This Federation outpost was defended by Starfleet during a Cardassian border conflict. Starfleet and the Cardassians spent weeks killing each other, but Starfleet ultimately secured the outpost, which was considered a major victory.

Kathryn Janeway, then a lieutenant, was part of the defense. ()

Funeral planet
The  traveled to this planet to conduct the funeral of commander Airiam in its orbit. ()

Galen's planets
These eighteen planets were visited by Professor  in the 2360s. They were all from the same quadrant. With each visit, the professor collected DNA samples from the world's native humanoid species. These samples were clues to a 4.5 billion year old genetic code programmed into their DNA by ancient humanoids. ()

Gas giant

In 2151, the Enterprise NX-01 visited this gas giant planet and found a disabled Klingon  ship slowly descending through the layers of the gas giant planet's atmosphere. The crew managed to save the ship just before it buckled under the stress of the extreme pressure of the planet's atmosphere. ()

Genesis sector ringed planet

A ringed planet in the Genesis sector in 2285. ()

Gorlan rebel home planet
The Gorlan rebel home planet was an inhabited planet in the mirror universe, which served as a headquarters for the Gorlan uprising against the Terran Empire. The first action of Captain , after the assassination of Captain , was the destruction of this planet, resulting in the suppression of the uprising. ()

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Gorn breeding planet
This planet was used as a breeding planet by the Gorn in the 2230s or 2240s. The passengers and crew of the  were deposited here after their ship was captured, to be eaten alive by hatchlings or slit open and used as "breeding sacks". La'an Noonien-Singh was the only survivor. ()

Gorn Hegemony planet
In 2254, Harrad-Sar offered Jonathan Archer meridor from a planet in the Gorn Hegemony. ()

Gorn wedding planet 

This planet was the site of a Gorn wedding that was being held in 2380. The ceremony was interrupted by Ensign Sam Rutherford after a long range shuttle crash landed there. ()

Gravity well planet  

This planet was part of a star system located between Molmol's homeworld and Earth. This planet's desert region had such wildlife as a type of burrowing crab and a type of large predatory animal. It also had a type of tree that produced a type of fruit that tasted like black licorice.

During their escort mission transporting AGIMUS back to the Daystrom Institute in Okinawa on Earth in 2381, the  Type 6A shuttlecraft Yosemite piloted by Ensigns Beckett Mariner and Brad Boimler encountered an unspecified gravity well associated with this planet. The gravimetric shear it created caused the shuttle to crash land on the unknown planet, which was stated to have a "breathable atmosphere". 

After their supply of emergency rations was consumed by the local wildlife, and stuck with a replicator that was capable of only producing sticks of licorice, they sought out water to prolong their survival. Eventually, they discovered the fruit of a native tree that contained a "random liquid" that, too, tasted like licorice.

The next day they located a sufficiently functional derelict they were able to send a distress signal that lead to their rescue by a nearby Starfleet runabout. ()

Halee system planet
This planet, located in the Halee system of the Beta Quadrant, was suggested by Worf as an option of exile for the renegade Klingons Korris, Konmel and K'Nera. ()

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Hatchery planet

This was an uninhabited planet where, in 2154, the crew of Enterprise NX-01 found a derelict Xindi-Insectoid starship located on the surface.

According to Captain Jonathan Archer, the planet was only a few light years from a red giant which Azati Prime orbited. However, it should be noted that his judgement was severely compromised at the time. ()

Holodeck planet

In 2365, Wesley Crusher took Salia on a tour of the Milky Way Galaxy via the holodeck, showing the many places he had visited. This ringed planet was one of the locations seen in that tour. It was orbited by at least two moons. ()

Iron-silica planet 

An iron-silica composition planet in an unnamed system was visited by the  in 2267. This planet had an oxygen-hydrogen atmosphere. This uninhabited planet was arid. According to Lazarus, this planet was the homeworld for his species. ()

Jaradan sector planet

This planet was located in the Jaradan sector.

In 2364, it was the location where the  established contact with the Jarada. ()

Kaferian apple planet
This planet was the origin of the Kaferian apple. Whenever James T. Kirk and Gary Mitchell visited the planet, Mitchell favored these fruits. ()

Kantare planet

In 2151, the alien trader D'Marr gave Enterprise the coordinates of a planet that had an abandoned ship for spare parts, but warned that the ship was haunted. Upon arriving at the planet, they discovered it was not haunted, but was in fact a ship of holograms and two living people, that the Kantare supply ship had crashed on, about halfway between  and their colony on Kotara Barath. It had at least one moon. ()

Kelvan colony planet 
 
 
This unnamed planet was where first contact between the Federation and the Kelvans was made in 2268. The planet's atmosphere was capable of supporting humanoid lifeforms. The planet had one moon. The planet was not too far from the edge of the Milky Way Galaxy, being "within an hour" of the outer barrier - at warp 11. 

In that year, a Kelvan ship from the distant Andromeda Galaxy had crash-landed on this planet. Their multi-generational ship had taken only three Earth centuries to cross over from their endangered homeworld Kelva, but could not come through our galaxy's energy barrier intact. The survivors, who had been born in transit and known no other environment, were forced to take shelter here. Sensing a Federation starship was near, they took Human form in anticipation of appropriating the vessel. But they were not yet Human enough to feel comfortable in their surroundings. Rojan called it "this accursed planet" and his lieutenant Hanar said it was "an undisciplined environment." On the other hand, Kelinda did find one of the planet's flowers to be like a Kelvan crystal seen in the record banks of their lost intergalactic ship. 

The Kelvans transmitted a distress call which was picked up by the . A landing party, led by Captain James T. Kirk, made first contact with the Kelvans who subsequently took them captive. After a failed escape attempt, which resulted in the death of Yeoman Leslie Thompson, the Kelvans commandeered the Enterprise for a return trip to the Andromeda Galaxy. After Captain Kirk had convinced the Kelvan leader, Rojan, to release the ship, the Enterprise returned to this planet with the hopes that Rojan and his people could establish a colony for their people. ()

Klingon planet
On this Klingon planet, in the late 2260s, trader Cyrano Jones sold tribbles to the Klingons. For selling tribbles and for stealing a glommer from this planet, Jones was accused of ecological sabotage by Captain Koloth and, after escaping from the planet, was pursued by the . ()

Klingon prison planet
In the alternate reality, this Klingon prison planet was a planet claimed by the Klingons. It served as a prison for enemies and captives of the Klingon Empire.

In 2258, the Romulan mining vessel Narada from 2387 of the prime reality, commanded by Nero, attacked the Klingon prison planet. It then destroyed an armada of 47 Klingon warbirds. Those on the planet sent an emergency transmission relating the situation, which was picked up and translated by  in the long range sensor lab at Starfleet Academy. ()

Planet in USS John F. Kennedy orders

In 2364, the  received orders from Starfleet operational support services, detailing its patrol duties. These orders were accompanied by several maps and a graphic of a planet. ()

Planets in USS Albert Einstein orders

In 2364, the  received orders from Starfleet operational support services, detailing its patrol duties. These orders were accompanied a graphic of a planetary system. ()

Planet orbited by Mudd's ship

During the mid-23rd century, Harry Mudd conducted a con involving androids operating from a ship stationed near a planet. ()

Planets searched for USS Honshu survivors

As part of a search for survivors after the  was destroyed in 2374, the  visited several planets.

At one planet, two Human survivors were found.

Later the Defiant was in orbit of a brown-hued planet. From there, it went to the third planet in the same system.

At the very end of the allotted time, one more shuttle was detected, leading the Defiant to yet another planet, where Benjamin Sisko was retrieved. Its day was between 22 and 23 hours in length. ()

Planet within Delphic Expanse anomaly field

In an expanding field of Delphic Expanse anomalies, T'Pol located a planet that had once been inhabited, but now had not a single lifeform due to being engulfed in the field some time before December 2153. Its location was within a few hundred million kilometers of a point equidistant to five of the Delphic Expanse spheres. Captain Jonathan Archer speculated that the alien rescued from the anomaly field was the last survivor. ()

Planet (2256)

This planet was orbited by a Starfleet station in 2256. ()

Planet (2268)

The  picked up Ambassador Kollos, Miranda Jones, and Larry Marvick from this planet. ()

Planet (2368)

After helping treat survivors of the  and performing an operation on Lieutenant Worf, Doctor Toby Russell was dropped off at this planet by the  in 2368. ()

Planets near Crepusculan homeworld

Two planets could be seen from the surface of the Crepusculan homeworld. One of them was smaller or far away. In 2256, Captain Philippa Georgiou and Commander Michael Burnham went through the desert on the Crepusculan homeworld by day and saw the two planets. ()

Planets surveyed by Ullians
These eight planets, located in seven star systems, were surveyed by the Ullian telepathic historians in the 2360s. They were collecting a library of memories from the inhabitants. ()

Planet used by Metrons

This planet was located in a solar system uncharted by Starfleet as of 2267, at location 2466 PM. Its surface was populated by scrub bushes, rocks, and mineral deposits. 

After the Federation and Gorn came into conflict over Cestus III in 2267, the Metrons prepared this planet with a suitable atmosphere for both combatants, and transported Starfleet Captain James T. Kirk and a Gorn captain there to resolve the dispute. ()

Psychotronic stability examination planet

This planet or planet-like object was part of Starfleet's psychotronic stability examination. ()

Promised planet
The promised planet was the destination of the asteroid ship Yonada, carrying the descendants of those who survived the destruction of their homeworld in 8,000 BC. They were scheduled to arrive at this planet in 2269. ()

Remote planet
Spock visited this remote planet in 2257 after taking leave from . He was drawn there by the Red Angel, whom he mind melded with and was given a glimpse of the future, which he described as "the end". ()

Research Station 75 planet

Research Station 75 was located on this planet in the mid-24th century. ()

Ringed gas giant

A system just outside the border of the Klingon Empire had at least five planets, the fifth of which was a ringed gas giant that was the site of a confrontation between the Earth ship Enterprise and the Klingon battle cruiser  in 2152. The planet featured rings with a typical composition of methane ice, isolytic plasma, and diamagnetic dust. ()

Rock creature planet
The rock creature planet was located in an uncharted planetary system. 

The planet was classified as M-class. The atmospheric pressure on the surface was 800 millibars; gravity was 1.2 times that of Earth, and the average temperature was hot. Though there was no intelligent life on this planet, the planet was inhabited by rock beasts. 

In 2269, Harcourt Fenton Mudd with his hostage, Lieutenant Christine Chapel, traveled to this planet. While there, the rock beasts destroyed their transport. The  apprehended Mudd and rescued Chapel. ()

Romulan minefield planet

In 2152,  planned to explore an uncharted Minshara class planet. It was uninhabited and its most notable geological feature was a chain of volcanoes spanning an entire hemisphere. After the ship was hit by a mine and two  decloaked, it became clear that the planet was claimed by the Romulan Star Empire. ()

Romulan planet

In 2369, the Romulan Warbird  beamed aboard several cargo containers from this planet. The crates contained Vice-proconsul M'ret and two of his aides in stasis. ()

Romulus system planets

The innermost and the outermost planet in the Romulus system, containing Romulus and Remus, were depicted on a display graphic. This system was located in the Beta Quadrant. (; ; )

Science Station Delta-05 planet 
This distant planet, in Sector 30, was located on the edge of the Romulan Neutral Zone. In 2364, the Federation outpost Science Station Delta-05 was one of several on both sides of the Neutral Zone that was attacked. Nothing remained. Starfleet initially suspected the Romulans, a theory that was disproved when it became clear that Romulan outposts had been attacked in the same manner. The two major powers then decided to share any information they discovered about the incident.

Less than a year later, the Enterprise-D discovered cities wiped from the face of its planet in an identical matter. The Borg were determined to be responsible. ()

Selcundi Drema planets

This planet was one of the five uninhabited planets in the Selcundi Drema sector. It is not suitable for colonization due to severe geological activity and was expected to end up like Drema V. Several planets were surveyed by the  in 2365. ()

Seven other planets
The crew of Arctus Barans mercenary vessel faced charges on at least seven other worlds besides , Qo'noS, Ferenginar, and Cardassia, as of 2370. ()

Silaran Prin's planet

Silaran Prin lived on this planet near the Demilitarized Zone until his death in 2373. This planet orbited a single star. ()

Skagaran colony planet 

This planet, located within the Delphic Expanse, was the home to a Skagaran colony established during the mid-19th century. The desert planet, which contained little water, had such indigenous animal-life as bluehorns and sun vipers. In addition to the Humans transplanted there, the planet was also home to the Earth horse. 

The planet was visited by  in 2153, during the Xindi incident. ()

Sluggo's homeworld
This planet was the homeworld of a species resembling the Earth slug and had an atmosphere that was rich in argon. In 2151, the planet was visited by an away team from the NX-class Enterprise that included Ensign Hoshi Sato, who took one of the planet's slug-like inhabitants, which she named "Sluggo", with her when she returned to Enterprise. ()

Sluggo's adoptive homeworld

This planet had an argon-rich atmosphere. Ensign Sato and Doctor Phlox of Enterprise visited the planet on May 6, 2151, and transplanted a slug-like creature there. ()

Sol system planet 

This planet was located 100 au from Earth in late 2257, when  visited it briefly. During the Federation-Klingon War, Starbase 1 was located in its orbit when it fell to the forces of the House of D'Ghor. After the war, Starbase 1 was moved into the orbit of Jupiter. (; )

Starbase planet

This planet was where an unnamed starbase was located. It was located near the Romulan Neutral Zone. In 2269, the  dropped off the survivors of an expedition to Eden at this planet. ()

Starbase 6

The inhabited planet where Starbase 6 was located. A large space station was located close to this planet in the mid-23rd century. (; )

Starbase 12
The planet where Starbase 12 was located. This Alpha Quadrant world was located in the Gamma 400 star system, in Sector 25712. (; ; )

Starbase 73

The inhabited planet where Starbase 73 was located. ()

Starbase 84

The Federation  Starbase 84 orbited this planet in the mid-to-late 24th century. ()

Starbase 112

The planet where Starbase 112 was located. ()

Starbase 133

The Federation Spacedock Starbase 133 orbited this planet in the mid-24th century. The planet had at least one moon. ()

Starbase 179

The inhabited planet where Starbase 179 was located. ()

Starbase 234

The planet where Starbase 234 was located. This planet was located in an unnamed system of the Beta Quadrant. ()

Starbase 310

The Alpha Quadrant planet where Starbase 310 was located. ()

Starbase 416

The planet where Starbase 416 was located. This planet was located near Ogus II. ()

Starbase 515

The world where Starbase 515 was located. It was located a "considerable distance" from Rhomboid Dronegar Sector 006. ()

Starbase Montgomery

The inhabited planet where Starbase Montgomery was located. ()

Starfleet briefing room planets
The walls of a meeting room at Starfleet Headquarters on Earth featured a number of photographs or paintings depicting planets and sometimes their moons. ()

Strnad solar system planet
This class M planet in the Strnad solar system was, for a brief moment, home to the Strnad colony in 2364. ()

Suliban gas giant

In 2151, Enterprise encountered a class 7 gas giant while following the warp trail of a Suliban vessel. Under the cyclohexane layer of the planet's atmosphere was an unexpected layer of liquid phosphorus. The planet could be observed to have at least one moon.

A Suliban helix composed of many s was located in the planet's atmosphere, just beneath the liquid phosphorus layer. Enterprise Captain Jonathan Archer boarded the helix and used a device to separate the cell ships from the helix. ()

Suliban hiding planet

Orbiting one of the stars in a binary system 2.5 light-years from Paraagan II, this planet had two moons. In 2152, a Suliban stealth cruiser hid on this planet's inner moon. ()

Symbiotic lifeform homeworld

The planet had a moon or a large neighboring planet. Its surface conditions didn't allow Humans, Vulcans or Denobulans to set foot on it without wearing an EV suit.  

In early 2152, after Enterprise had been infected with a symbiotic lifeform, they were able to find the location of its homeworld with the help of the Kreetassans.

Upon finding the planet, an away team went down to return the lifeform, and its severed tendril that Phlox examined, to the larger creature that took up much of the planet. ()

System J-25 planets
At least six planets were part of System J-25. One M-class planet was uninhabited and was located seven thousand light years from 24th century Federation space.

Prior to the mid-2360s, the sixth planet was home to a highly industrialized civilization with cities linked by a system of roads. When the Borg attacked, the attacking ships removed cities, which caused rips to appear on the planet’s surface. In 2365, the Federation starship  scanned this planet, noting that the rips were very similar to the scarring detected on several Federation and Romulan outposts along the Romulan Neutral Zone in 2364, which had removed all machine elements on the planet. ()

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System with shifted orbits

This system contained at least three planets. One of them was detected to have undergone an orbital shift by Starfleet, taking it between two gas giants. The gas giants' influence was expected to superheat the core of this planet, covering the planet with erupting volcanos in no time. Enterprise was ordered by Admiral Forrest to study it. While the planet initially appeared lifeless, the seismic activity unearthed subterranean microbes. ()

Takara sector planet

An ice-covered class L world was located in the Takara sector, just outside the Alpha Quadrant.

In an alternate timeline, this planet was the crash site of  following a disastrous use of the quantum slipstream drive. ()

Terra Nova system planets

This system, located less than twenty light years from Earth, contained Terra Nova and two other planets. ()

Terran base

This planet was located in the Badlands.

In the mirror universe, this planet hosted a base used by the Terran Rebellion in 2371. ()

Tessic's species homeworld
The homeworld of Tessic's species was a planet far away from the planet on which some members established a mining colony. ()

Tkon Empire throne world
This inhabited planet, the throne world of the Tkon Empire, orbited a blue giant star in sector 9. 

600,000 years ago, the planet's sun went supernova, resulting in the destruction of the planet and the deaths of billions. ()

Trellium mining planet

The trellium mining planet was located about a six-week journey inside the Delphic Expanse. Trellium-D was mined there. The atmosphere of the planet was extremely polluted; many of the staff wore breathing masks and sustained survival on the surface was impossible. Members of thirty-one different species worked in the mines in some capacity.

Enterprise visited this planet in September of 2153 because a freighter captain informed them that he had taken a Xindi there some time ago. Upon arrival, Captain Jonathan Archer and Commander Tucker were forced to provide a half-liter of liquefied platinum to the foreman of the north mine to see the Xindi, a Primate named Kessick.

It turned out to be a trap, however. The miners worked by capturing ships and forcing their crew to work as slaves. Enterprise was barely able to escape, but Kessick died in the attempt. ()

Uninhabited planet
 had been exploring this planet for three days in March 2153 when they were forced to recall their three surface science teams to pursue a bounty hunter who had captured their captain. They had also put down a number of crewmen on it for shore leave.

Among the planet's most enjoyable regions were equatorial range, including a north summit with an inspiring view. In the north there was the Rykos shoreline, the southern tip of which was 227 kilometers from the polar island chain. These islands featured a pyroclastic debris field, lava tubes, and the hydrothermal pools of Ren-gham. The planet also featured ravines. However, as Skalaar mentioned these things after learning Archer's name, it is possible he made these features up to earn Archer's trust and be able to kidnap him.

The planet supported life, for example a species of marsupials whose saliva was a natural anti-coagulant. There was also an unusual microbe which was capable of inducing pon farr in Vulcans. The microbe was also suspected of being more dangerous to Humans than to Vulcans or Denobulans. ()

Vintaak system gas giant

The Vintaak system contained at least one planet, this ringed gas giant with several moons. In the mirror universe, it was located in Tholian space, and one moon contained a Tholian base. ()

Volterra Nebula planets

Two unnamed gas giants were located in the Volterra Nebula, a stellar nursery. In 2369, the  visited this nebula for a three-week analysis. ()

Vulcan monastery planet
This planet, between the neighboring Vulcan and Andorian systems, was the site of the monastery at P'Jem. The planet was the site of the first contact between Andorians and Humans.

A nearby ringed moon was visible in the sky of the planet. The surface featured several mountains, many trees and several other plants, canyons and a foggy air. There was also at least one lifeform native to the planet.

The planet was known to the Vulcans since at least the early 1st millennium BC. The construction of the monastery at P'Jem, later consecrated to the memory and teachings of Surak, predated the Time of Awakening by over twelve centuries.

By the 22nd century, the Vulcan High Command thought to capitalize on the planet's proximity to the Andorian system by installing a secret long range sensor array there. The ancient monastery provided cover for this listening post.

Certain Andorian factions remained suspicious even after the peace treaty with the Vulcans. Andorian Imperial Guard commandos forcibly searched P'Jem twice before the successful June 2151 raid led by Thy'lek Shran. ()

Within a year, the spy station and its ancient cover had been destroyed. ()

War games simulation system
In a holographically-simulated tactical scenario played out on  in 2371, a red giant system with eight planets, none of them M class, played a minor role. ()

Worlds visited by Alidar Jarok
These worlds, numbering over a hundred, were visited by the Romulan Admiral Alidar Jarok during his lifetime. According to him, none of them "possessed the awesome beauty of Romulus". ()

Worlds unaffected by Romulan supernova
After it became clear that the Romulan sun would would go supernova, the Federation devised a plan to relocate nine hundred million Romulan citizens to worlds outside the blast of the supernova. ()

Xendi Sabu system planet

This unnamed planet was located in the Xendi Sabu system. ()

Xindi-Arboreal colony planet 

This inhabited planet, located in a system within the Delphic Expanse, was the home to a Xindi-Arboreal colony. It was located near Tarquin's planet and had one moon. It was home to the indigenous tree scarab and contained several deposits of topaline ore. 

During the mid-22nd century this planet was home to a Xindi kemocite refining facility, at the time the planet had no artificial satellites or orbiting starships. 

In October 2153, Captain Jonathan Archer of the Earth ship  came to the planet, on a tip from Tarquin while searching for the Xindi weapon. ()

Xindi Council planet  

The Xindi Council planet was the home to the Xindi Council. Its location was top-secret, and the planet was located inside a security zone. The planet was located approximately fifty light years from the Sol system.

The Council chambers were located in a fortress built into a mountainside by the Xindi-Avians sometime in the 2nd millennium BC. The fortress was two kilometers above ground level and was perfectly concealed by the cloud layer that surrounded it. The only way in was through the air.

After the Xindi weapon's location on Azati Prime was discovered by the Humans, it was moved to the Council planet. It was located in a large underground facility in a rocky portion of the planet. ()

Xindi database planets 
Images of several planets appeared in the Xindi database captured by  in 2153. ()

Zeta Gelis star cluster planet

This planet, which was capable of supporting humanoid life, was located in the Zeta Gelis star cluster orbiting a nearby star. 

In 2366 the  encountered "John Doe" in a crashed escape pod on the planet. ()

it:Pianeti ignoti dei quadranti Alpha e Beta