"1973-09-20Z"^^ . "1.87768e+08"^^ . "1921 Pala (1973 SE) is an outer main-belt asteroid discovered on September 20, 1973 by Tom Gehrels at Palomar Observatory. It is one of very few asteroids located in the 2 : 1 mean motion resonance with Jupiter."@en . "November 30, 2008" . "2.98164e+11"^^ . "14.3"^^ . "6.84261e+11"^^ . "1973 SE"@en . . "1921 Pala"@en .