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103 Hera
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103 Hera

 103 Hera
Orbital characteristics 1
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
Diameter 91.2 km
Rotation period 3 23.74 hours
Spectral class S
Abs. magnitude 7.66
Albedo 4 0.183
History 2
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.

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