8405 Asbolus
8405 Asbolus /ˈæzbələs/ is a centaur orbiting in the outer Solar System between the orbits of Jupiter and Neptune. It was discovered on 5 April 1995, by James Scotti and Robert Jedicke of Spacewatch (credited) at Kitt Peak Observatory in Arizona, United States. It is named after Asbolus, a centaur in Greek mythology and measures approximately 80 kilometers in diameter.
| Discovery | |
|---|---|
| Discovered by | Spacewatch |
| Discovery site | Kitt Peak Obs. |
| Discovery date | 5 April 1995 |
| Designations | |
MPC designation | (8405) Asbolus |
| Pronunciation | /ˈæzbələs/ |
Named after | Άσβολος Asbolos (Greek mythology) |
Alternative designations | 1995 GO |
Minor planet category | distant · centaur |
| Symbol | (astrological) |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 1 | |
| Observation arc | 16.60 yr (6,063 days) |
| Aphelion | 29.118 AU |
| Perihelion | 6.8145 AU |
Semi-major axis | 17.966 AU |
| Eccentricity | 0.6207 |
Orbital period (sidereal) | 76.15 yr (27,815 days) |
Mean anomaly | 71.410° |
Mean motion | 0° 0m 46.44s / day |
| Inclination | 17.638° |
Longitude of ascending node | 6.1324° |
| |
| 290.06° | |
| Physical characteristics | |
Mean diameter | 66±8 km 76 km 77.5±7.5 km 80.83 km (derived) 84±8 km 85±9 km |
Synodic rotation period | 4.4682±0.0003 h 8 h 8.870 h 8.932±0.002 h 8.9351 h |
| 0.04 0.05 0.056±0.019 0.057 (assumed) 0.095±0.015 0.12±0.03 0.13±0.03 | |
| BR | |
| 8.74 · 9.1 · 9.11±0.02 · 9.13±0.25 · 9.18 · 9.19 · 9.257±0.120 (R) · 9.26 | |
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