(9817) Thersander
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Asteroid (9817) Thersander |
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|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Jupiter Trojan (L 4 ) |
| Major semi-axis | 5.2843 AU |
| eccentricity | 0.0421 |
| Perihelion - aphelion | 5.0620 AU - 5.5065 AU |
| Inclination of the orbit plane | 9.1598 ° |
| Sidereal period | 12.15 a |
| Mean orbital velocity | 12.93 km / s |
| Physical Properties | |
| Absolute brightness | 11.1 mag |
| history | |
| Explorer | Cornelis van Houten , Ingrid van Houten-Groeneveld |
| Date of discovery | September 24, 1960 |
| Another name | 6540 PL, 1991 HV 2 , 1996 RB 33 |
| 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. | |
(9817) Thersander 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 .
(9817) Thersander 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 Thersandros .
In the Trojan War he went into battle on the side of the Greeks.
See also
Web links
- Asteroid Thersander: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- Asteroid Thersander in the Small-Body Database of NASA's Jet Propulsion Laboratory at the California Institute of Technology, Pasadena, USA
- (9817) Thersander in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).