107 Camilla
Lightcurve-based 3-D model of Camilla | |
| Discovery | |
|---|---|
| Discovered by | N. R. Pogson |
| Discovery site | Madras Obs. |
| Discovery date | 17 November 1868 |
| Designations | |
| (107) Camilla | |
| Pronunciation | /kəˈmɪlə/ |
Named after | Camilla (Roman mythology) |
| A868 WA, 1893 QA 1938 OG, 1949 HD1 | |
| main-belt · (outer) Sylvia · Cybele | |
| Adjectives | Camillian or Camillean, /kəˈmɪliən/ |
| Orbital characteristics | |
| Epoch 23 March 2018 (JD 2458200.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 149.17 yr (54,485 d) |
| Aphelion | 3.7202 AU |
| Perihelion | 3.2622 AU |
| 3.4912 AU | |
| Eccentricity | 0.0656 |
| 6.52 yr (2,383 d) | |
| 265.91° | |
| 0° 9m 3.96s / day | |
| Inclination | 10.001° |
| 172.61° | |
| 306.77° | |
| Known satellites | 2 |
| Physical characteristics | |
| Dimensions | 285 km × 205 km × 170 km 344 km × 246 km × 205 km |
| 254±12 km 200.37±3.51 km 210.370±8.326 km 222.62±17.1 km 241.6±35.0 km 243.3±12.4 km | |
| Mass | (11.2±0.1)×1018 kg |
Mean density | 1.28±0.04 g/cm3 1.40±0.30 g/cm3 |
| 4.844 h | |
| 0.043±0.012 0.045±0.019 0.0525±0.009 0.059±0.012 0.065±0.003 | |
| X (SMASS) C (Tholen) P (WISE) B–V = 0.705 U–B = 0.298 | |
| 11.53 | |
| 7.08 7.1±0.02 | |
107 Camilla is one of the largest asteroids from the outermost edge of the asteroid belt, approximately 250 kilometers (160 miles) in diameter. It is a member of the Sylvia family and located within the Cybele group. It was discovered on 17 November 1868, by English astronomer Norman Pogson at Madras Observatory, India, and named after Camilla, Queen of the Volsci in Roman mythology. The X-type asteroid is a rare triple asteroid with two minor-planet moons discovered in 2001 and 2016, respectively. It is elongated in shape and has a short rotation period of 4.8 hours.