(20952) Tydeus
|
Asteroid (20952) Tydeus |
|
|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Jupiter Trojan (L 4 ) |
| Major semi-axis | 5.1843 AU |
| eccentricity | 0.0857 |
| Perihelion - aphelion | 4.7399 AU - 5.6287 AU |
| Inclination of the orbit plane | 9.9724 ° |
| Sidereal period | 11.80 a |
| Mean orbital velocity | 13.06 km / s |
| Physical Properties | |
| Absolute brightness | 11.8 mag |
| history | |
| Explorer | Cornelis van Houten , Ingrid van Houten-Groeneveld |
| Date of discovery | September 25, 1973 |
| Another name | 5151 T-2, 1999 XE 132 |
| 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. | |
(20952) Tydeus 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 .
(20952) Tydeus was discovered on September 25, 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 Tydeus , one of the seven against Thebes , whose son Diomedes fought on the side of the Greeks in the Trojan War .
See also
Web links
- Asteroid Tydeus: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- (20952) Tydeus in the Small-Body Database of the Jet Propulsion Laboratory (English).
- (20952) Tydeus in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).