Planet Name(s) Position / System / Sector Local Day / Local Year Ecology Sentient Species Other Species U'Dray Human? Ukio / Ukian / Abrion Temperate Ukian Human Umboo / Roon / Human Umgul 25 std hrs / 361 local days Cool, moist Human, Ugnaught Blob Uogo'cor / / Trax Urdur Cold UR41-284 Ut / / Hapes Cluster Human Utharis / Koornacht Cluster / Farlax? Utharis?  . Tarrack Uukaablis / Uukaablis / Kathol 28 std hrs / 426 local days Temperate Uukaablian Human Uvena III 3rd / Uvena / Sesswenna  . Shistavenan Wolfman  . Uviuy Exen / / Shwuy Human?