(12658) Peiraios
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Asteroid (12658) Peiraios |
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|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Jupiter Trojan (L 4 ) |
| Major semi-axis | 5.1488 AU |
| eccentricity | 0.0586 |
| Perihelion - aphelion | 4.8470 AU - 5.4506 AU |
| Inclination of the orbit plane | 1.7775 ° |
| Length of the ascending node | 111.8779 ° |
| Sidereal period | 11.68 a |
| Mean orbital velocity | 13.15 km / s |
| Physical Properties | |
| Absolute brightness | 11.1 mag |
| history | |
| Explorer |
Cornelis van Houten Ingrid van Houten-Groeneveld |
| Date of discovery | 19th September 1973 |
| Another name | 1973 SL, 1996 TZ 39 , 1998 XU 79 |
| 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. | |
(12658) Peiraios 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 .
(12658) Peiraios 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 the mythological Greek hero Peiraios , the son of Clitios and friend of Telemachus , the son of Odysseus and Penelope .
See also
Web links
- Asteroid Peiraios: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- (12658) Peiraios in the Small-Body Database of the Jet Propulsion Laboratory (English).
- (12658) Peiraios in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).