Discovered by Deep EclipticSurvey Alternative names 1998 WH24 Orbital period 311 years Orbits Sun | Discovery date 19 November 1998 Pronunciation /ˈkeɪ.ɒs/ Minor planet category TNO (cubewano) Discovered 19 November 1998 Named after Chaos | |
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Discovery site Kitt Peak National Observatory Similar 120347 Salacia, (307261) 2002 MS4, 38083 Rhadamanthus, Solar System, 20000 Varuna | ||
19521 Chaos /ˈkeɪ.ɒs/ is a cubewano, a Kuiper-belt object not in resonance with any planet. It is a likely dwarf planet. Chaos was discovered in 1998 by the Deep Ecliptic Survey with Kitt Peak's 4 m telescope. Its albedo is 6998500000000000000♠0.050+0.030
−0.016, making it, with its absolute magnitude (H) of 4.8, 7005600000000000000♠600+140
−130 km in diameter. It is named after the primeval state of existence in Greek mythology, from which the first gods appeared.
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Orbit and rotation
19521 Chaos has an orbital period of approximately 309 years. Its orbit is not much more eccentric than the orbit of Pluto. 19521 Chaos's orbit is inclined approximately 12° to the ecliptic. Its orbit never crosses the orbit of Neptune.
In fiction
In the online comic Quantum Vibe the lead characters hide on a secret base they have constructed on Chaos to perform experiments undetected.