(6998) Tithonus
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Asteroid (6998) Tithonus |
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|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Jupiter Trojan (L 5 ) |
| Major semi-axis | 5.1838 AU |
| eccentricity | 0.0699 |
| Perihelion - aphelion | 4.8214 AU - 5.5462 AU |
| Inclination of the orbit plane | 1.7292 ° |
| Length of the ascending node | 35.2604 ° |
| Argument of the periapsis | 258.4847 ° |
| Sidereal period | 11.80 a |
| Mean orbital velocity | 13.05 km / s |
| Physical Properties | |
| Medium diameter | 27.828 (± 0.426) km |
| Albedo | 0.049 (± 0.008) |
| Absolute brightness | 11.5 likes |
| history | |
| Explorer | Cornelis van Houten , Ingrid van Houten-Groeneveld |
| Date of discovery | October 16, 1977 |
| Another name | 3108 T-3 , 1989 AT 5 |
| 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. | |
(6998) Tithonus 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 .
(6998) Tithonus was discovered on October 16, 1977 by the Dutch astronomers Cornelis Johannes van Houten , Ingrid van Houten-Groeneveld and Tom Gehrels at the Palomar Observatory . It is assigned to the Lagrangian point L 5 .
The asteroid is named after the mythological figure of Tithonus , son of the Trojan king Laomedon and brother of Priam .
See also
Web links
- Asteroid Tithonus: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- Asteroid Tithonus in the Small-Body Database of NASA's Jet Propulsion Laboratory at the California Institute of Technology, Pasadena, USA
- (6998) Tithonus in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).