Altair III
Altair III was the third planet in the Altair system. This system was located in Sector 9 of the Alpha Quadrant. () 

In the early 2360s, when the  visited this system, Lieutenant Commander William T. Riker refused to let Captain Robert DeSoto transport to the surface of Altair III with an away team because he deemed the action as too dangerous. By preventing his captain from beaming down, Riker disobeyed a direct order and risked a general court martial. ()

In 2367, the location of Altair III was labeled on a tactical situation monitor in Captain Benjamin Maxwell's ready room on the . (, okudagram) 

In 2366, in an alternate timeline, during the , the location of Altair III was labeled on a tactical situation monitor in the ready room aboard the . (, okudagram)

Appendices

Background information 
This planet's quadrant of origin is inferred based on the position of its star system as seen in the star chart appearing in the  episode . The sector where this system was located was mentioned in the  episode .

In Gene Roddenberry and D.C. Fontana's final draft  of "Encounter at Farpoint", the planet was originally named Altair IV.

"AL-tair" was the pronunciation for this planet's name from the  pronunciation guide for .

External link 
 

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Altair 03