1089_tama | epoch | 2005-11-26 <tsp> 1089_tama | escapevelocity | 00068 (kilometreperseconds) <tsp> 1089_tama | formername | 'a919 ha; 1927 wb;' <tsp> 1089_tama | orbitalperiod | 1202846 (days) <tsp> 1089_tama | apoapsis | 3735130000 (kilometres) <sep> 1089 tama, provisional designation 1927 wb, is an elongated florian asteroid and synchronous binary system from the inner regions of the asteroid belt, approximately 12 kilometers in diameter it was discovered by japanese astronomer okuro oikawa at the old tokyo astronomical observatory (389) on 17 november 1927 the asteroid was named after the tama river in japan its minor-planet moon was discovered in december 2003 and measures approximately 9 kilometers 
the epoch of 1089 tama(whose former name was ( a919 ha; 1927 wb) is 2005-11-26. the escape velocity of 1089 tama is 0.0068 km/sec. has an orbital period of 1202.846 days and an apoapsis of 373513000.0 (kilometres).1089 tama was discovered by japanese astronomer okuro oikawa on 17 november 1927