69 Hesperia
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Discovery | |
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Discovered by: | G. Schiaparelli |
Discovery date: | April 26, 1869 |
Minor planet category: | Main belt |
Orbital characteristics | |
Epoch (absent) | |
Aphelion distance: | 519.3 Gm (3.471 AU) |
Perihelion distance: | 372.3 Gm (2.489 AU) |
Semi-major axis: | 445.8 Gm (2.980 AU) |
Eccentricity: | 0.165 |
Orbital period: | 1879 d (5.14 a) |
Inclination: | 8.59° |
Physical characteristics | |
Dimensions: | 138.13km |
Rotation period: | 5.655 h |
Albedo: | 0.140 |
Spectral type: | M |
Absolute magnitude: | 7.05 |
69 Hesperia (hes-peer'-ee-a) is a large, M-type 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.
Minor planets | ||
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Previous minor planet | 69 Hesperia | Next minor planet |
List of asteroids |
Vulcanoids · Near-Earth asteroids · Main belt · Jupiter Trojans · Centaurs · Damocloids · Comets · Trans-Neptunians (Kuiper belt • Scattered disc • Oort cloud)
For other objects and regions, see Asteroid groups and families, Binary asteroids, Asteroid moons and the Solar System.
For a complete listing, see List of asteroids. See also Pronunciation of asteroid names and Meanings of asteroid names.