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54 Alexandra

54 Alexandra
Orbital characteristics 1
Orbit type Main belt
Semimajor axis 2.713 AU
Perihelion distance 2.180 AU
Aphelion distance 3.247 AU
Orbital period 4.47 years
Inclination 11.81°
Eccentricity 0.196
Physical characteristics 1
Diameter 165.8 km
Rotation period 3 7.024 hours
Spectral class C
Abs. magnitude 7.66
Albedo 4 0.056
History 2
Discoverer H. Goldschmidt, 1858

54 Alexandra is a very large and dark main belt asteroid.

It was discovered by H. Goldschmidt on September 10, 1858 and named after the German explorer Alexander von Humboldt.


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