1 day / second

0.5 AU

(55636) 2002 TX300

Trans-Neptunian Object

A large, highly reflective trans-Neptunian object in the Haumea family, orbiting between 35-51 AU from the Sun with an estimated diameter of 286 kilometers.

Key Facts

orbital regime

Kuiper Belt

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mass

1.2000e+19 kg

radius

143 km

hill radius

715,097 km

semi-major axis

43.116 AU

eccentricity

0.122

inclination

25.878º

longitude of the ascending node

324.698º

argument of periapsis

338.958º

orbital period

283.111 years

sidereal rotation period

12.101 hours

axial tilt

surface gravity

0.004 g

class

cubewano

discovery date

October 15, 2002

discovery location

Observed at the Mauna Kea observatory by the NEAT program

material composition

Has a fresh icy surface, with presence of water ice confirmed

albedo

Unusually high for a TNO, estimated around 0.88
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Arawn
Varuna
Chaos
Ixion