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	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 and named after Hera, queen of the gods in Greek mythology.