1865 Cerberus
1865 Cerberus is a stony asteroid and near-Earth object of the Apollo group, approximately 1.6 kilometers in diameter. It was discovered on 26 October 1971, by Czech astronomer Luboš Kohoutek at the Hamburger Bergedorf Observatory, Germany, and given the provisional designation 1971 UA. It was named for Cerberus from Greek mythology.
Lightcurve-based 3D-model of Cerberus | |
| Discovery | |
|---|---|
| Discovered by | L. Kohoutek |
| Discovery site | Bergedorf Obs. |
| Discovery date | 26 October 1971 |
| Designations | |
MPC designation | (1865) Cerberus |
| Pronunciation | /ˈsɜːrbərəs/ |
Named after | Cerberus (Greek mythology) |
Alternative designations | 1971 UA |
Minor planet category | NEO · Apollo |
| Adjectives | Cerberean, -ian /sɜːrˈbɪəriən/ |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 45.05 yr (16,456 days) |
| Aphelion | 1.5844 AU |
| Perihelion | 0.5757 AU |
Semi-major axis | 1.0801 AU |
| Eccentricity | 0.4669 |
Orbital period (sidereal) | 1.12 yr (410 days) |
Mean anomaly | 205.19° |
Mean motion | 0° 52m 41.16s / day |
| Inclination | 16.095° |
Longitude of ascending node | 212.93° |
| 325.26° | |
| Earth MOID | 0.1567 AU · 61 LD |
| Physical characteristics | |
| Dimensions | 1.2 km (Gehrels) 1.608 km 1.61 km (taken) 1.611±0.013 km |
Synodic rotation period | 6.800±0.006 h 6.80328±0.00001 h 6.803286±0.000005 h 6.8039 h 6.804±0.003 h 6.81 h 6.810±0.003 h 6.87 h |
| 0.1118 0.136±0.021 0.22 0.50±0.29 | |
| S (Tholen) · S (SMASS) S B–V = 0.790 U–B = 0.442 | |
| 16.45±0.07 (R) 16.84 16.965±0.04 16.97±0.04 16.97±0.13 | |
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