346889 Rhiphonos
From EverybodyWiki Bios & Wiki
| Discovery[1] | |
|---|---|
| Discovered by | T. V. Kryachko |
| Discovery site | Engelhardt Obs. |
| Discovery date | 28 August 2009 |
| Designations | |
| MPC designation | (346889) Rhiphonos |
| Pronunciation | /rɪˈfoʊnɒs/ |
Named after | Crantor (Greek mythology)[2] |
| 2009 QV38 | |
| Uranus co-orbital centaur[1] · distant[3] | |
| Orbital characteristics[1] | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 3 | |
| Observation arc | 13.37 yr (4,882 days) |
| Aphelion | 24.862 AU |
| Perihelion | 14.047 AU |
| 19.454 AU | |
| Eccentricity | 0.2780 |
| 85.81 yr (31,342 days) | |
| 63.889° | |
| 0° 0m 41.4s / day | |
| Inclination | 12.770° |
| 117.40° | |
| 93.203° | |
| Physical characteristics | |
Mean diameter | 59±12 km[4] |
| 13.94 h[5] | |
| 0.121±0.064[4] | |
| RR[6] B–V = 1.105±0.042[7] V–R = 0.761±0.039[7] | |
| 8.26[5] · 8.693±0.057 (R)[8] · 8.8[1] · 9.03±0.16[4] · 9.17[9][10] | |
References
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