431 Nephele

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431 Nephele
Discovery
Discovered by Auguste Charlois
Discovery date December 18, 1897
Designations
Named after
Nephele
1897 DN
Minor planet category Main belt (Themis)
Orbital characteristics
Epoch 30 January 2005 (JD 2453400.5)
Aphelion 551.872 Gm (3.689 AU)
Perihelion 387.107 Gm (2.588 AU)
469.489 Gm (3.138 AU)
Eccentricity 0.175
2030.677 d (5.56 a)
16.81 km/s
210.253°
Inclination 1.827°
117.417°
212.678°
Physical characteristics
Dimensions 95.0 km
Mass unknown
Mean density
unknown
unknown
unknown
unknown
Albedo unknown
Temperature unknown
Spectral type
C
8.72

431 Nephele is a large Themistian asteroid. It is spectral C-type and is probably composed of carbonaceous material.

It was discovered by Auguste Charlois on December 18, 1897 in Nice.