220 Stephania is a Main belt asteroid. It is a P-type asteroid meaning it is relatively dark and composed of organic rich silicates carbon and anhydrous silicates.[citation needed]It was discovered by Johann Palisa on May 19 1881 in Vienna. It was the first discovery he made after transferring to the observatory from Pola.The name honours Crown Princess Stéphanie wife of the heir-apparent Crown Prince Rudolf of Austria. The couple was married the year the asteroid was discovered.
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apoapsis (km)
4.42081e+11
average speed (km/s)
69984.0
orbital period (μ)
1.13551e+08
periapsis (km)
2.60473e+11
absolute magnitude
11.0
albedo
0.073
discovery date
1881-05-19
discoverer
Johann Palisa
epoch
30 January 2005 (JD 2453400.5)
former name
1925 VE 1931 FP, 1932 UA 1943 WB, 1946 MA 1950 TT4, 1961 WB
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