103 Hera
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| Orbital characteristics 1 (ftp://ftp.lowell.edu/pub/elgb/astorb.html) | |
|---|---|
| Orbit type | Main belt |
| Semimajor axis | 2.704 AU |
| Perihelion distance | 2.490 AU |
| Aphelion distance | 2.918 AU |
| Orbital period | 4.45 years |
| Inclination | 5.42° |
| Eccentricity | 0.079 |
| Physical characteristics 1 (ftp://ftp.lowell.edu/pub/elgb/astorb.html) | |
| Diameter | 91.2 km |
| Rotation period | 23.74 hours |
| Spectral class | S |
| Abs. magnitude | 7.66 |
| Albedo 4 (http://dorothy.as.arizona.edu/DSN/IRAS/index_iras.html) | 0.183 |
| History 2 (http://cfa-www.harvard.edu/iau/lists/NumberedMPs.html) | |
| Discoverer | J. C. Watson, 1868 |
103 Hera is a large main belt asteroid. It has probably a composition of metallic nickel-iron and silicates.
It was discovered by J. C. Watson on September 7, 1868 and named after Hera, queen of the gods in Greek mythology.
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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.) |