Tags: Planet.

989 Schwassmannia is a minor planet orbiting the Sun.

apoapsis (km)
4.98161e+11
orbital period (μ)
374371.0
periapsis (km)
2.97101e+11
discovery date
1922-11-18
discoverer
Friedrich Karl Arnold Schwassmann
epoch
August 18 2005 (JDCT 2453600.5)
former name
1922 MW

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