List of articles in "Planet" category - Page 1171

5 Astraea is a large asteroid from the asteroid belt. Its surface is highly reflective (bright) and its composition is probably a mixture of nickel–iron with silicates of magnesium and […]

20000 Varuna is a large classical Kuiper belt object. It previously had the provisional designation 2000 WR106 and has been precovered in plates dating back to 1953. It is probably […]

Larissa (/ləˈrɪsə/ lə-RISS-ə; Greek: Λάρισα) also known as Neptune VII is the fifth-closest inner satellite of Neptune. It is named after Larissa a lover of Poseidon (Neptune) in Greek mythology […]

624 Hektor is the largest Jupiter trojan. It was discovered in 1907 by August Kopff.Hektor is a D-type asteroid dark and reddish in colour. It lies in Jupiter’s leading Lagrangian […]

Ariel is the fourth-largest of the 27 known moons of Uranus. Ariel orbits and rotates in the equatorial plane of Uranus which is almost perpendicular to the orbit of Uranus […]

28978 Ixion is a plutino (an object that has a 2:3 orbital resonance with Neptune). It is very likely to be a dwarf planet although the IAU has not officially […]

Asteroid 3163 Randi was discovered on August 28 1981 by Charles T. Kowal at Palomar Observatory California. It has an orbital period of 3.705 years and a semi-major axis of […]

(143649) 2003 QQ47 (also written 2003 QQ47) is an asteroid which became briefly notable upon its discovery in late August 2003 when media outlets played up a very preliminary report […]

The main belt asteroid 11169 Alkon was discovered by the Lincoln Laboratory at the Massachusetts Institute of Technology. The Ceres Connection program was established in partnership with Science Service to […]

A super-Jupiter is an astronomical object that’s more massive than the planet Jupiter. For example companions at the planet–brown dwarf borderline have been called super-Jupiters such as around the star […]