1089_tama | epoch | 2005-11-26 <tsp> 1089_tama | escapevelocity | 00068 (kilometreperseconds) <tsp> 1089_tama | orbitalperiod | 1202846 (days) <tsp> 1089_tama | periapsis | 2887490000000 <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 escape velocity of 1089 tama is 0.0068 km/sec.its periapsis is 288749000000.0 and had its epoch date on 2005-11-26.it has an orbital period of 1202.846 days and its apoapsis is 373513000.0 kilometres.no information