69 Hesperia
|
Orbital characteristics 1 (ftp://ftp.lowell.edu/pub/elgb/astorb.html) | |
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Orbit type | Main belt |
Semimajor axis | 2.980 AU |
Perihelion distance | 2.489 AU |
Aphelion distance | 3.471 AU |
Orbital period | 5.14 years |
Inclination | 8.59° |
Eccentricity | 0.165 |
Physical characteristics 1 (ftp://ftp.lowell.edu/pub/elgb/astorb.html) | |
Diameter | 138.1 km |
Rotation period 3 (http://charlie.psi.edu/pds/) | 5.655 hours |
Spectral class | M |
Abs. magnitude | 7.05 |
Albedo 4 (http://dorothy.as.arizona.edu/DSN/IRAS/index_iras.html) | 0.140 |
History 2 (http://cfa-www.harvard.edu/iau/lists/NumberedMPs.html) | |
Discoverer | G. Schiaparelli, 1861 |
69 Hesperia (hes-peer'-ee-a) is a large, metal-rich main belt asteroid.
Hesperia was discovered by the famous Italian astronomer Giovanni Schiaparelli on April 26, 1861. It was his only asteroid discovery. It is named after one of the Hesperides in Greek mythology.
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(For a complete listing, see: List of asteroids. For pronunciation, see: Pronunciation of asteroid names.) |