▁images , ▁the ▁satellite ' s ▁al bed o ▁may ▁be ▁slightly ▁higher ▁than ▁that ▁of ▁the ▁primary ▁( ~ 0 . 3 ), ▁likely ▁around ▁ 0 . 3 6 ▁based ▁on ▁a ▁generic ▁magnitude - to - d iam eter ▁conversion ▁using ▁an ▁absolute ▁magnitude ▁of ▁ 2 2 . 5 ▁and ▁a ▁diameter ▁of ▁. ▁ ▁Or bit ▁and ▁rotation ▁ ▁From ▁rad ar ▁images ▁taken ▁on ▁ 5 ▁February ▁ 2 0 2 0 , ▁the ▁separation ▁distance ▁between ▁the ▁satellite ▁and ▁the ▁primary ▁body ▁is ▁estimated ▁to ▁be ▁about ▁, ▁or ▁ 4 . 4 ▁times ▁the ▁radius ▁of ▁the ▁ ▁primary . ▁The ▁orb ital ▁period ▁of ▁the ▁satellite ▁is ▁thought ▁to ▁be ▁around ▁, ▁with ▁the ▁best - fit ▁period ▁being ▁. ▁However , ▁another ▁possible ▁orb ital ▁period ▁of ▁ ▁has ▁not ▁been ▁yet ▁been ▁ruled ▁out , ▁due ▁to ▁projection ▁effects ▁of ▁rad ar ▁images . ▁Rad ar ▁observations ▁by ▁A reci bo ▁suggest ▁the ▁satellite ▁is ▁likely ▁tid ally ▁locked ▁to ▁the ▁primary ▁body , ▁with ▁its ▁rotation ▁period ▁being ▁synchron ous ▁with ▁its ▁orb ital ▁period . ▁However , ▁un cert aint ies ▁remain ▁in ▁measurements ▁of ▁the ▁satellite ' s ▁rotation ▁period , ▁thus ▁an ▁upper ▁limit ▁to ▁its ▁period ▁was ▁placed ▁at ▁ 4 9 ▁hours . ▁ ▁Notes ▁ ▁References ▁ ▁External ▁links ▁▁▁ ▁A reci bo ▁Observ atory ▁Dis co vers ▁Moon ▁Or bit ing ▁Near - E arth ▁Ast ero id , ▁T racy ▁Be cker ,