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Lucy is a NASA space probe on a twelve-year journey to eight different asteroids.It is slated to visit two main belt asteroids as well as six Jupiter trojans – asteroids that share Jupiter's orbit around the Sun, orbiting either ahead of or behind the planet.
21900 Orus / ˈ ɔːr ə s / is a Jupiter trojan asteroid from the Greek camp, approximately 53 kilometers (33 miles) in diameter, and a target of the Lucy mission to be visited in November 2028. [9] It is among the 100 largest Jupiter trojans and has a rotation period of 13.5 hours. [7]
15094 Polymele / p ɒ l ɪ ˈ m iː l iː / is a primitive Jupiter trojan from the Greek camp, approximately 21 kilometers (13 miles) in diameter.It is a target of the Lucy mission with a close flyby planned to occur in September 2027.
Artist's depiction of Pioneer 10, the first spacecraft to visit Jupiter. The exploration of Jupiter has been conducted via close observations by automated spacecraft.It began with the arrival of Pioneer 10 into the Jovian system in 1973, and, as of 2024, has continued with eight further spacecraft missions in the vicinity of Jupiter and two more en route.
An Atlas V rocket blasted off before dawn, sending Lucy on a roundabout journey spanning nearly 4 billion miles (6.3 billion kilometers). NASA's asteroid hunter Lucy soars into sky with diamonds ...
Jupiter has been visited by automated spacecraft since 1973, when the space probe Pioneer 10 passed close enough to Jupiter to send back revelations about its properties and phenomena. [ 168 ] [ 169 ] Missions to Jupiter are accomplished at a cost in energy, which is described by the net change in velocity of the spacecraft, or delta-v .
During the next hour, the second stage reignited to place Lucy on an interplanetary trajectory in a heliocentric orbit on a twelve-year mission to two groups of Sun-Jupiter Lagrange point Trojan asteroids as well as a close flyby of a mainbelt asteroid during one of three planned passes through the asteroid belt. If the spacecraft remains ...
The bow shock of Jupiter's magnetosphere was reached on November 16, as indicated by a drop in the velocity of the solar wind from 451 km/s (280 mi/s) to 225 km/s (140 mi/s). The magnetopause was passed through a day later. The spacecraft instruments confirmed that the magnetic field of Jupiter was inverted compared to that of Earth.