3391 Sinon
| Discovery and designation | |
|---|---|
| Discovered by | Hiroki Kosai and Kiichiro Hurukawa |
| Discovery date | February 18, 1977 |
| Designations | |
Named after | Sinon |
| 1977 DD3 | |
| Jupiter Trojan | |
| Orbital characteristics | |
| Epoch February 4, 2008 (JD 2454500.5) | |
| Aphelion | 857.979 Gm (5.735 AU) |
| Perihelion | 726.892 Gm (4.859 AU) |
| 792.436 Gm (5.297 AU) | |
| Eccentricity | 0.083 |
| 4453.039 d (12.19 a) | |
Average orbital speed | 12.92 km/s |
| 262.087° | |
| Inclination | 14.877° |
| 341.143° | |
| 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 | ~121 K |
| ? | |
| 10.3 | |
|
| |
3391 Sinon 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 Sinon, who was a warrior during the Trojan War. It was discovered by Hiroki Kosai and Kiichiro Hurukawa at the Kiso Observatory in Japan on February 18, 1977.
External links
- Discovery Circumstances: Numbered Minor Planets
- Orbital simulation from JPL (Java) / Ephemeris
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