596 Scheila
Scheila (minor planet designation: 596 Scheila) is a main-belt asteroid and main-belt comet orbiting the Sun. It was discovered on 21 February 1906 by August Kopff from Heidelberg. Kopff named the asteroid after a female English student with whom he was acquainted.
596 Scheila outbursting as seen in a 5 min photo with a 24" telescope | |
| Discovery | |
|---|---|
| Discovered by | August Kopff |
| Discovery site | Heidelberg Observatory |
| Discovery date | 21 February 1906 |
| Designations | |
| (596) Scheila | |
| Pronunciation | /ˈʃiːlə/ |
Named after | Sheila |
| main-belt main-belt comet | |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 111.19 yr (40,611 days) |
| Aphelion | 3.4062 AU |
| Perihelion | 2.4490 AU |
| 2.9276 AU | |
| Eccentricity | 0.1635 |
| 5.01 yr (1,830 days) | |
| 21.266° | |
| 0° 11m 48.48s / day | |
| Inclination | 14.661° |
| 70.606° | |
| 175.16° | |
| Physical characteristics | |
Mean radius | 56.67±1.15 km (IRAS) |
Mean density | 2.0 g/cm3 (assumed) 2.5 g/cm3 (assumed) |
Equatorial escape velocity | 60 m/s (calculated) 75 m/s (calculated) |
| 15.8480 h (0.66033 d) | |
| 0.0379±0.002 | |
| PCD (Tholen) T (SMASSII) | |
| 11.67 to 15.32 | |
| 8.90 | |
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