|
Discovery
|
|
|---|---|
| Discovered by | Christian Heinrich Friedrich Peters |
| Discovery date | September 19, 1870 |
|
Designations
|
|
| Named after | Iphigenia |
| Alternate name(s) | |
| Minor planet category |
Main belt |
| Epoch December 31, 2006 (JD 2454100.5) | |
| Aphelion | 410.610 Gm (2.745 AU) |
| Perihelion | 317.471 Gm (2.122 AU) |
| Semi-major axis | 364.041 Gm (2.433 AU) |
| Eccentricity | 0.128 |
| Orbital period | 1386.548 d (3.80 a) |
| Average orbital speed | 19.01 km/s |
| Mean anomaly | 340.983° |
| Inclination | 2.606° |
| Longitude of ascending node | 323.651° |
| Argument of perihelion | 16.901° |
|
Physical characteristics
|
|
| Dimensions | 72.2 km |
| Mass | 3.9×1017 kg |
| Mean density | ? g/cm³ |
| Equatorial surface gravity | 0.0202 m/s² |
| Escape velocity | 0.0382 km/s |
| Rotation period | ? d |
| Albedo | ? |
| Temperature | ~178 K |
| Spectral type | C |
| Absolute magnitude (H) | 9.84 |
112 Iphigenia ( /ɪfɨdʒɨˈnaɪ.ə/) is a fairly large and exceedingly dark main-belt asteroid. It has probably a primitive carbonaceous composition. It was discovered by C. H. F. Peters on September 19, 1870, and named after Iphigenia, the princess sacrificed by her father in Greek mythology.
|
|||||
|
||||||||||||||||||||||