54 Alexandra

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54 Alexandra
Orbital characteristics 1 (ftp://ftp.lowell.edu/pub/elgb/astorb.html)
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 (ftp://ftp.lowell.edu/pub/elgb/astorb.html)
Diameter 165.8 km
Rotation period 3 (http://charlie.psi.edu/pds/) 7.024 hours
Spectral class C
Abs. magnitude 7.66
Albedo 4 (http://dorothy.as.arizona.edu/DSN/IRAS/index_iras.html) 0.056
History 2 (http://cfa-www.harvard.edu/iau/lists/NumberedMPs.html)
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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The minor planets
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(For other objects and regions, see: Binary asteroids, Asteroid moons and the Solar system)
(For a complete listing, see: List of asteroids. For pronunciation, see: Pronunciation of asteroid names.)
de:Alexandra (Asteroid)

es:(54) Alejandra

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