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71 Niobe

71 Niobe
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.


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07-14-2008 23:18:10
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