102 Miriam

From Wikipedia, the free encyclopedia

102 Miriam
Discovery
Discovered by Christian Heinrich Friedrich Peters
Discovery date August 22, 1868
Designations
Alternative names  
Minor planet
category
Main belt
Epoch December 31, 2006 (JD 2454100.5)
Aphelion 498.474 Gm (3.332 AU)
Perihelion 298.171 Gm (1.993 AU)
Semi-major axis 398.323 Gm (2.663 AU)
Eccentricity 0.251
Orbital period 1586.949 d (4.34 a)
Average orbital speed 17.96 km/s
Mean anomaly 309.370°
Inclination 5.176°
Longitude of ascending node 210.932°
Argument of perihelion 147.351°
Physical characteristics
Dimensions 83.0 km
Mass 6.0×1017 kg
Mean density ? g/cm³
Equatorial surface gravity 0.0232 m/s²
Escape velocity 0.0439 km/s
Rotation period ? d
Albedo 0.0507
Temperature ~171 K
Spectral type C
Absolute magnitude 9.26

102 Miriam is a quite large, very dark main belt asteroid. It was discovered by C. H. F. Peters on August 22, 1868 and named after Miriam, the sister of Moses in the Old Testament.