1137 Raïssa is a main belt asteroid orbiting the Sun. Approximately 24 kilometers in diameter it makes a revolution around the Sun once every 4 years. It was discovered by G. Neujmin on October 27 1929. It is named for Raissa Ivanovna Maseeva who computed its orbit. Its provisional designation was 1929 WB.
apoapsis (km)
3.97912e+11
orbital period (μ)
1.19161e+08, 1.19288e+08
periapsis (km)
3.27587e+11
absolute magnitude
10.74
albedo
0.1592
discoverer
Grigory Neujmin
epoch
Orbital Elements at Epoch 2454400.5 (2007-Oct-27.0) TDB
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