(14791) Atreus
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Asteroid (14791) Atreus |
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|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Jupiter Trojan (L 4 ) |
| Major semi-axis | 5.1448 AU |
| eccentricity | 0.1613 |
| Perihelion - aphelion | 4.3150 AU - 5.9747 AU |
| Inclination of the orbit plane | 2.9367 ° |
| Length of the ascending node | 194.7802 ° |
| Argument of the periapsis | 185.5683 ° |
| Sidereal period | 11.67 a |
| Mean orbital velocity | 13.13 km / s |
| Physical Properties | |
| Medium diameter | 22.330 ± 0.362 km |
| Albedo | 0.098 ± 0.015 |
| Rotation period | 19.615 h |
| Absolute brightness | 11.8 mag |
| history | |
| Explorer |
CJ van Houten I. van Houten-Groeneveld Tom Gehrels |
| Date of discovery | 19th September 1973 |
| Another name | 1973 SU, 1999 XJ 31 |
| Source: Unless otherwise stated, the data comes from JPL Small-Body Database Browser . The affiliation to an asteroid family is automatically determined from the AstDyS-2 database . Please also note the note on asteroid items. | |
(14791) Atreus is an asteroid belonging to the group of Jupiter Trojans . This describes asteroids that move around the sun on the Lagrange points on Jupiter's orbit .
(14791) Atreus was discovered on September 19, 1973 by the Dutch astronomers Cornelis Johannes van Houten , Ingrid van Houten-Groeneveld and Tom Gehrels at the Palomar Observatory . It is assigned to the Lagrangian point L 4 .
The asteroid was named on March 9, 2001 after the mythological figure of Atreus , the king of Mycenae and father of Agamemnon and Menelaus , who fought on the side of the Greeks off Troy .
See also
Web links
- Asteroid Atreus: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- (14791) Atreus in the Small-Body Database of the Jet Propulsion Laboratory (English).
- (14791) Atreus in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).