19521 Chaos

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19521 Chaos
Discovery
Discovered by Deep Ecliptic
Survey
Discovery time November 19, 1998
Names
Name 19521 Chaos
Other names 1998 WH24
Group TNO (cubewano)[1]
Orbit
Reference date January 30, 2005 (JD 2453400.5)
Longest distance from the Sun 50.269 AU
Shortest distance from the Sun 40.929 AU
Longest distance from the center of its orbital path
("semi-major axis")
45.599 AU
How egg-shaped its orbit is
("eccentricity")
0.102
How long it takes to complete an orbit 309.1006 y
Average speed 4.3931 km/s
Mean anomaly 324.2844°
Angle above the reference plane
("inclination")
12.0550°
Longitude of where it comes up through the reference plane 50.0103°
Angle between its shortest distance from what it orbits around and where it comes up through the reference plane
("argument of periapsis")
58.6836°
Size and Other Qualities
Measures ~560 km
How long it takes to turn around one time
(in relation to the stars)
3.985 (days)
True brightness
("absolute magnitude")
4.755

19521 Chaos is a Kuiper belt object. Chaos was found in 1998 by the Deep Ecliptic Survey, with Kitt Peak's 4 m telescope. It is big 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.

Trivia[change | change source]

A jazz-fusion/progressive-rock band from Connecticut got their name from this minor planet.

References[change | change source]

  1. Marc W. Buie (2004/11/09). "Orbit Fit and Astrometric record for 19521". SwRI (Space Science Department). http://www.boulder.swri.edu/~buie/kbo/astrom/19521.html. Retrieved 2008-09-28.
A graphic showing Chaos' size compared to Earth's moon and other big TNOs