(10989) Dolios
Asteroid (10989) Dolios |
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Properties of the orbit ( animation ) | |
Orbit type | Jupiter Trojan (L 4 ) |
Major semi-axis | 5.1695 AU |
eccentricity | 0.0868 |
Perihelion - aphelion | 4.7210 AU - 5.6179 AU |
Inclination of the orbit plane | 10.5812 ° |
Length of the ascending node | 187.3143 ° |
Argument of the periapsis | 206.2780 ° |
Sidereal period | 11.75 a |
Mean orbital velocity | 13.11 km / s |
Physical Properties | |
Medium diameter | 23.564 ± 0.307 km |
Albedo | 0.115 ± 0.024 |
Rotation period | 26.101 h |
Absolute brightness | 11.3 mag |
history | |
Explorer |
CJ van Houten I. van Houten-Groeneveld |
Date of discovery | 19th September 1973 |
Another name | 1973 SL 1 , 1996 RK 27 |
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. |
(10989) Dolios 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 .
The celestial body 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 ( IAU code 675). It is assigned to the Lagrangian point L 4 .
The asteroid is named after Dolios , a slave of Penelope , who with his sons supported the returned Odysseus in the fight against the relatives of the slain suitors.
It was named on January 24, 2000.
See also
Web links
- Asteroid Dolios: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- (10989) Dolios in the Small-Body Database of the Jet Propulsion Laboratory (English).
- (10989) Dolios in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).