Jupiter to several seconds, and short bursts (or S-bursts) that had a duration of less than a hundredth of a second. Scientists discovered that there were three forms of radio signals transmitted from Jupiter. Since 1973 a number of automated spacecraft have visited Jupiter, most notably the "Pioneer 10" space probe, the first spacecraft to get close enough to Jupiter to send back revelations about the properties and phenomena of the Solar System's largest planet. Flights to other planets within the Solar System are accomplished at a cost in energy, which is described by the net change in velocity of the
Jupiter trojan will then return to the vicinity of Earth for a gravity assist to take it to Jupiter's Trojan cloud where it will visit 617 Patroclus. The Japanese space agency has proposed the OKEANOS solar sail for the late 2020s to either analyse a Trojan asteroid "in situ" or to perform a sample-return mission. Jupiter trojan The Jupiter trojans, commonly called Trojan asteroids or simply Trojans, are a large group of asteroids that share the planet Jupiter's orbit around the Sun. Relative to Jupiter, each Trojan librates around one of Jupiter's two stable Lagrange points: ', lying 60° ahead of the