1 day / second
0.5 AU
28978 Ixion
Trans-Neptunian Object
A large, reddish plutino roughly 650 km in diameter that orbits in a 3:2 resonance with Neptune at an average distance of 30 AU from the Sun.
Key Facts
orbital regime | Kuiper Belt |
learn more | Wikipedia |
mass | 4.6771e+20 kg |
radius | 354.8 km |
hill radius | 0.013 AU |
semi-major axis | 39.802 AU |
eccentricity | 0.246 |
inclination | 19.6º |
longitude of the ascending node | 71.011º |
argument of periapsis | 298.314º |
orbital period | 251.105 years |
surface gravity | 0.025 g |
class | plutino |
discovery date | May 22, 2001 |
discovered by | Deep Ecliptic Survey team at the Cerro Tololo Observatory in Chile |
name origins | Named after Ixion, a king from Greek mythology who was bound to a rotating wheel in Tartarus |
material composition | Primarily water ice and rock |
Other Trans-Neptunian Objects
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Albion
Arawn
Varuna
2002 TX300
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