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Categories: Main Belt asteroids

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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Categories: Main Belt asteroids

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