19521 Chaos

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19521 Chaos
Discovery
Discovered by Deep Ecliptic
Survey
Discovery date November 19, 1998
Designations
MPC designation 19521 Chaos
Alternative names 1998 WH24
Minor planet
category		 TNO (cubewano)
Epoch January 30, 2005 (JD 2453400.5)
Aphelion 50.269 AU
Perihelion 40.929 AU
Semi-major axis 45.599 AU
Eccentricity 0.102
Orbital period 309.1006 y
Average orbital speed 4.3931 km/s
Mean anomaly 324.2844°
Inclination 12.0550°
Longitude of ascending node 50.0103°
Argument of perihelion 58.6836°
Physical characteristics
Dimensions ~560 km
Sidereal rotation
period		 3.985 (days)
Absolute magnitude 4.755

19521 Chaos (pronounced /ˈkeɪɒs/, from Greek: Χάος, formerly known as 1998 WH24) is a cubewano, a Kuiper belt object not in resonance with any planet. Chaos was discovered in 1998 by the Deep Ecliptic Survey, with Kitt Peak's 4 m telescope. It is large at about 560 km, and bright at H=4.755. It is named after the primeval state of existence in Greek mythology, from which the first gods appeared.

[edit] References

Size comparison between Earth's Moon and several large TNOs, including Chaos
Size comparison between Earth's Moon and several large TNOs, including Chaos
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