109 Felicitas
From Infogalactic: the planetary knowledge core
| Discovery | |
|---|---|
| Discovered by | Christian Heinrich Friedrich Peters |
| Discovery date | October 9, 1869 |
| Designations | |
|
Named after
|
Felicitas |
| Main belt | |
| Orbital characteristics[1] | |
| Epoch December 31, 2006 (JD 2454100.5) | |
| Aphelion | 523.329 Gm (3.498 AU) |
| Perihelion | 283.326 Gm (1.894 AU) |
| 403.327 Gm (2.696 AU) | |
| Eccentricity | 0.298 |
| 1616.951 d (4.43 a) | |
|
Average orbital speed
|
17.73 km/s |
| 331.256° | |
| Inclination | 7.886° |
| 3.207° | |
| 56.586° | |
| Physical characteristics | |
| Dimensions | 88.971[2] km |
| Mass | 7.5×1017 kg |
| 0.0250 m/s² | |
| 0.0473 km/s | |
| 13.191[3] h | |
| Albedo | 0.07 ± 0.02[2] |
| Temperature | ~170 K |
|
Spectral type
|
GC (Tholen)[2] |
| 8.759[2] | |
109 Felicitas is a dark and fairly large main-belt asteroid. It was discovered by German-American astronomer C. H. F. Peters on October 9, 1869, and named after Felicitas, the Roman goddess of success.[4] The only observed stellar occultation by Felicitas is one from Japan (March 29, 2003).[5]
During 2002, 109 Felicitas was observed by radar from the Arecibo Observatory. The return signal matched an effective diameter of 89 ± 9 km. This is consistent with the asteroid dimensions computed through other means.[3]
References
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 2.0 2.1 2.2 2.3 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 3.0 3.1 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Observed minor planet occultation events, version of 2005 July 26
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