(30698) Hippocoon
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Asteroid (30698) Hippocoon |
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|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Jupiter Trojan (L 5 ) |
| Major semi-axis | 5.1936 AU |
| eccentricity | 0.0642 |
| Perihelion - aphelion | 4.8603 AU - 5.5270 AU |
| Inclination of the orbit plane | 7.8689 ° |
| Sidereal period | 11.84 a |
| Mean orbital velocity | 13.05 km / s |
| Physical Properties | |
| Medium diameter | 0.891 km |
| Absolute brightness | 11.6 mag |
| history | |
| Explorer |
Cornelis van Houten Ingrid van Houten-Groeneveld |
| Date of discovery | October 16, 1977 |
| Another name | 2299 T-3, 2000 QM 89 |
| 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. | |
(30698) Hippocoon 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 .
(30698) Hippokoon was discovered on October 16, 1977 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 5 .
The asteroid is named after Hippocoon , the cousin of the Thracian king Rhesus , who fought on the side of Troy in the Trojan War .
See also
Web links
- Asteroid Hippocoon: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- (30698) Hippokoon in the Small-Body Database of the Jet Propulsion Laboratory (English).
- (30698) Hippokoon in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).