Planet Name(s) Position / System / Sector Local Day / Local Year Ecology Sentient Species Other Species Y’nybeth Plasmar Y'taa Yablari / Yablari / Anomid Yag'Dhul 175 std hrs / Givin Yaga Minor / / Sesswenna Yagai Human Yaralou 3rd / Baralou / Water Yaronn  .  . Water  .  . Yarrv  .  . Tropical  . Human Yavin / Yavin / Sumitra  . Gas giant None None Yavin 4 Satellite / Yavin / Sumitra 24 std hrs / 13.2 std yrs Jungle Massassi (extinct) Yavin 8 Satellite / Yavin / Sumitra Tundra Melodie Yavin 13 Satellite / Yavin / Sumitra Desert Gerb, Slith Yelsain / Yelsain / Minos Cluster 24 std hrs / 249 local days Forest Human Yetoom Na Uun / / Senex Yisgga Ylesia / Ylesian / Temperate Hutt, t’landa Til, Human Ylix / / Corporate Human Yn Yuga 2 2nd / Yuga / Rainforest Yunkor IX 9th / / Yutusk Temperate