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38083 Rhadamanthus
From Wikipedia, the free encyclopedia
| Discovery | |
|---|---|
| Discovered by: | Deep Ecliptic Survey |
| Discovery date: | April 17, 1999 |
| MPC designation: | 38083 Rhadamanthus |
| Alternative names: | 1999 HX11 |
| Minor planet category: | TNO (plutino) |
| Orbital characteristics | |
| Epoch December 31, 2006 (JD 2454100.5) | |
| Aphelion distance: | 6747.594 Gm (45.105 AU) |
| Perihelion distance: | 4967.394 Gm (33.205 AU) |
| Semi-major axis: | 5857.494 Gm (39.155 AU) |
| Eccentricity: | 0.152 |
| Orbital period: | 89490.745 d (245.01 a) |
| Avg. orbital speed: | 4.73 km/s |
| Mean anomaly: | 84.451° |
| Inclination: | 12.731° |
| Longitude of ascending node: | 10.001° |
| Argument of perihelion: | 81.785° |
| Physical characteristics | |
| Dimensions: | 87-276 km[1] |
| Mass: | 0.69-22×1018? kg |
| Mean density: | 2.0? g/cm³ |
| Equatorial surface gravity: | 0.02-0.08? m/s² |
| Escape velocity: | 0.05-0.15? km/s |
| Sidereal rotation period: | ? d |
| Albedo: | 0.10? |
| Temperature: | ~44 K |
| Spectral type: | ? |
| Absolute magnitude: | 6.7 |
38083 Rhadamanthus (formerly known as 1999 HX11) is a trans-Neptunian object (TNO). It was discovered in 1999 by the Deep Ecliptic Survey. It is classified as a plutino, which means that it is in a 3:2 orbital resonance with Neptune, similar to that of Pluto.
It is named after the Greek mythological figure Rhadamanthus.
| Minor planets | ||
|---|---|---|
| Previous minor planet | 38083 Rhadamanthus | Next minor planet |
| List of asteroids | ||
Vulcanoids · Near-Earth asteroids · Main belt · Jupiter Trojans · Centaurs · Damocloids · Comets · Trans-Neptunians (Kuiper belt • Scattered disc • Oort cloud)
For other objects and regions, see Asteroid groups and families, Binary asteroids, Asteroid moons and the Solar System.
For a complete listing, see List of asteroids. See also Pronunciation of asteroid names and Meanings of asteroid names.
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