(20961) Arkesilaos
Asteroid (20961) Arkesilaos |
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Properties of the orbit ( animation ) | |
Orbit type | Jupiter Trojan (L 4 ) |
Major semi-axis | 5.1393 AU |
eccentricity | 0.0172 |
Perihelion - aphelion | 5.0507 AU - 5.2279 AU |
Inclination of the orbit plane | 9.2077 ° |
Length of the ascending node | 27.9036 ° |
Argument of the periapsis | 50.1088 ° |
Sidereal period | 11.65 a |
Mean orbital velocity | 13.13 km / s |
Physical Properties | |
Absolute brightness | 11.9 likes |
history | |
Explorer |
CJ van Houten I. van Houten-Groeneveld Tom Gehrels |
Date of discovery | 19th September 1973 |
Another name | 1973 SS 1 , 1996 RQ 28 |
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. |
(20961) Arkesilaos 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 .
(20961) Arkesilaos was discovered on September 19, 1973 by the Dutch astronomer couple Cornelis Johannes van Houten and Ingrid van Houten-Groeneveld . The discovery came about during the investigation of Tom Gehrels ' field plates recorded with the 120 cm Oschin Schmidt telescope of the Palomar observatory ( IAU code 675) at the University of Leiden . It is assigned to the Lagrangian point L 4 .
The asteroid is named after the mythological figure of Arkesilaos , one of the Boiotier military leaders in the Trojan War , who was killed by Hector .
See also
Web links
- Asteroid Arkesilaos: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- (20961) Arkesilaos in the Small-Body Database of the Jet Propulsion Laboratory (English).
- (20961) Arkesilaos in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).