71 Niobe
From Wikinfo
| Orbital characteristics 1 | |
|---|---|
| Orbit type | Main belt |
| Semimajor axis | 2.755 AU |
| Perihelion distance | 2.270 AU |
| Aphelion distance | 3.240 AU |
| Orbital period | 4.57 years |
| Inclination | 23.26� |
| Eccentricity | 0.176 |
| Physical characteristics 1 | |
| Diameter | 83.4 km |
| Rotation period 3 | 14.38 hours |
| Spectral class | S |
| Albedo 4 | 0.305 |
| Abs. magnitude | 7.30 |
| History 2 | |
| Discoverer | R. Luther, 1861 |
71 Niobe (nye'-o-bee) is a quite large main belt asteroid. It has very bright surface and is probably a mixture of iron-nickel and silicate rock.
It was discovered by Robert Luther on August 13, 1861 and named after Niobe, a character in Greek mythology.
Template:MinorPlanets Footer[[fr:(71) Niob�]]
References
- Adapted from the Wikipedia article, "71_Niobe" http://en.wikipedia.org/wiki/71_Niobe, used under the GNU Free Documentation License

