(22203) Prothoenor
Asteroid (22203) Prothoenor |
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Properties of the orbit ( animation ) | |
Orbit type | Jupiter Trojan (L 4 ) |
Major semi-axis | 5.2275 AU |
eccentricity | 0.0983 |
Perihelion - aphelion | 4.7136 AU - 5.7413 AU |
Inclination of the orbit plane | 1.3746 ° |
Sidereal period | 11.95 a |
Mean orbital velocity | 13.03 km / s |
Physical Properties | |
Absolute brightness | 11.5 likes |
history | |
Explorer |
Cornelis van Houten Ingrid van Houten-Groeneveld |
Date of discovery | September 24, 1960 |
Another name | 6020 PL, 1994 NL 11 , 1996 TT 68 , 1998 UV 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. |
(22203) Prothoenor 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 .
(22203) Prothoenor was discovered on September 24, 1960 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 the mythological Greek hero Prothoenor from Boeotia , who commanded eight Greek ships in the Trojan War and was killed by Polydamas off Troy .
See also
Web links
- Asteroid Prothoenor: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- (22203) Prothoenor in the Small-Body Database of the Jet Propulsion Laboratory .
- (22203) Prothoenor in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).