1 day / second

0.5 AU

19521 Chaos

Trans-Neptunian Object

A medium-sized classical Kuiper Belt object orbiting in a stable orbit with a period of 309 years at an average distance of 45.6 AU from the Sun.

Key Facts

orbital regime

Kuiper Belt

learn more

Wikipedia

mass

3.4315e+20 kg

radius

320 km

hill radius

0.016 AU

semi-major axis

45.796 AU

eccentricity

0.106

inclination

12.05º

longitude of the ascending node

50.024º

argument of periapsis

58.41º

orbital period

309.913 years

surface gravity

0.023 g

class

cubewano

discovery date

November 19, 1998

discovered by

Marc Buie at Kitt Peak National Observatory as part of the Deep Ecliptic Survey

name origins

Named after Chaos, the primordial void in Greek mythology

absolute magnitude

4.63

instance of

Trans-Neptunian object, possible dwarf planet
Other Trans-Neptunian Objects
FarFarOut
Albion
Arawn
Varuna
2002 TX300
Ixion