Tags: Planet.

397 Vienna is a typical Main belt asteroid. The Tholen spectral type is S and the SMASSII spectral type is K.It was discovered by Auguste Charlois on December 19 1894 in Nice.

apoapsis (km)
4.91295e+11
average speed (km/s)
66060.0
orbital period (μ)
1.34968e+08
periapsis (km)
2.97033e+11
absolute magnitude
9.31
albedo
0.015, 0.178
discovery date
1894-12-19
discoverer
Auguste Charlois
epoch
30 January 2005 (JD 2453400.5)
former name
1894 BM
rotation period (s)
55728.0

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