2148 Epeios
| Discovery and designation | |
|---|---|
| Discovered by | Richard Martin West |
| Discovery date | October 24, 1976 |
| Designations | |
Named after | Epeius |
| 1976 UW | |
| Jupiter Trojan | |
| Orbital characteristics | |
| Epoch February 4, 2008 (JD 2454500.5) | |
| Aphelion | 823.679 Gm (5.506 AU) |
| Perihelion | 733.664 Gm (4.904 AU) |
| 778.671 Gm (5.205 AU) | |
| Eccentricity | 0.058 |
| 4337.522 d (11.88 a) | |
Average orbital speed | 13.04 km/s |
| 297.210° | |
| Inclination | 9.154° |
| 176.593° | |
| Physical characteristics | |
| Dimensions | ? km |
| Mass | ?×10? kg |
Mean density | ? g/cm³ |
Equatorial surface gravity | ? m/s² |
Equatorial escape velocity | ? km/s |
Sidereal rotation period | ? d |
| ?° | |
Pole ecliptic latitude | ? |
Pole ecliptic longitude | ? |
| 0.10 | |
| Temperature | ~122 K |
| ? | |
| 11.1 | |
|
| |
2148 Epeios is a Jupiter Trojan asteroid that orbits in the L4 Lagrangian point of the Sun-Jupiter system, in the "Greek Camp" of Trojan asteroids. It was named after the Greek hero Epeius, who was a soldier during the Trojan War. It was discovered by Richard Martin West on October 24, 1976 at the La Silla Observatory in Chile. 2146 Stentor was also discovered the same day by West.
External links
- Discovery Circumstances: Numbered Minor Planets
- Orbital simulation from JPL (Java) / Ephemeris
References
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