(5259) Epeigeus
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Asteroid (5259) Epeigeus |
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|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Jupiter Trojan (L 4 ) |
| Major semi-axis | 5.2004 AU |
| eccentricity | 0.0716 |
| Perihelion - aphelion | 4.8283 AU - 5.5725 AU |
| Inclination of the orbit plane | 15.9213 ° |
| Sidereal period | 11.86 a |
| Mean orbital velocity | 13.07 km / s |
| Physical Properties | |
| Medium diameter | 42.59 km |
| Albedo | 0.0739 |
| Rotation period | 18.42 h |
| Absolute brightness | 10.3 mag |
| history | |
| Explorer | CS Shoemaker |
| Date of discovery | January 30, 1989 |
| Another name | 1989 BB 1 |
| 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. | |
(5259) Epeigeus 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 .
(5259) Epeigeus was discovered on January 30, 1989 by the American astronomer Carolyn Jean Spellmann Shoemaker at the Palomar Observatory . It is assigned to the Lagrangian point L 4 .
The asteroid is named after the mythological figure of the Myrmidon Epeigeus , a henchman of Achilles who was killed by Hector in the Trojan War .
See also
Web links
- Asteroid Epeigeus: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- Asteroid Epeigeus in the Small-Body Database of NASA's Jet Propulsion Laboratory at the California Institute of Technology, Pasadena, USA
- (5259) Epeigeus in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).