71 Niobe
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| Orbital characteristics 1 (ftp://ftp.lowell.edu/pub/elgb/astorb.html) | |
|---|---|
| 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 (ftp://ftp.lowell.edu/pub/elgb/astorb.html) | |
| Diameter | 83.4 km |
| Rotation period 3 (http://charlie.psi.edu/pds/) | 14.38 hours |
| Spectral class | S |
| Albedo 4 (http://dorothy.as.arizona.edu/DSN/IRAS/index_iras.html) | 0.305 |
| Abs. magnitude | 7.30 |
| History 2 (http://cfa-www.harvard.edu/iau/lists/NumberedMPs.html) | |
| 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.
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| (For a complete listing, see: List of asteroids. For pronunciation, see: Pronunciation of asteroid names.) |