251 Sophia
Asteroid
251 Sophia is a stony background asteroid from the outer regions of the asteroid belt. It was discovered on 4 October 1885, by astronomer Johann Palisa at the Vienna Observatory in Austria. The S-type asteroid has a rotation period of 20.2 hours... Wikipedia
Discovered: October 4, 1885
Discoverer: Johann Palisa
Orbital period: 1,990 days
Minor planet category: main-belt · (outer); background;
Named after: Sophia von Seeliger; (Hugo von Seeliger);
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