299 Thora

299 Thora is a 17 km Main belt asteroid with a potentially long 274-hour rotation period. It was discovered by Johann Palisa on October 6, 1890 in Vienna.

299 Thora

299 Thora is a 17 km Main belt asteroid with a potentially long 274-hour rotation period. It was discovered by Johann Palisa on October 6, 1890 in Vienna.