. ▁V ega ▁ 1 ▁had ▁previously ▁exha usted ▁its ▁attitude ▁control ▁prop ell ant ▁on ▁ 3 0 ▁January ▁ 1 9 8 7 . ▁ ▁V ega ▁ 2 ▁is ▁currently ▁in ▁hel i oc ent ric ▁orbit , ▁with ▁peri hel ion ▁of ▁ 0 . 7 0 ▁A U , ▁a ph el ion ▁of ▁ 0 . 9 8 ▁A U , ▁ecc ent ric ity ▁of ▁ 0 . 1 7 , ▁incl ination ▁of ▁ 2 . 3 ▁degrees ▁and ▁orb ital ▁period ▁of ▁ 2 8 1 ▁days . ▁ ▁See ▁also ▁ ▁List ▁of ▁miss ions ▁to ▁Ven us ▁ ▁References ▁ ▁External ▁links ▁V ega ▁ 2 ▁Me as uring ▁Mission ▁Profile ▁by ▁NASA ' s ▁Sol ar ▁System ▁Ex pl oration ▁V ega ▁mission ▁images ▁from ▁the ▁Space ▁Research ▁Institute ▁( IK I ) ▁Raw ▁data ▁from ▁V ega ▁ 1 ▁and ▁V ega ▁ 2 ▁on ▁board ▁instruments ▁Soviet ▁Ex pl oration ▁of ▁Ven us ▁ ▁V ega ▁ 2 ▁Mission ▁Com et ▁Hal ley ▁Data ▁Archive ▁at ▁the ▁NASA ▁Planet ary ▁Data ▁System , ▁Small ▁Bod ies ▁Node ▁ ▁Category : M issions ▁to ▁Hal ley ' s ▁Com et ▁Category : V ega ▁program ▁Category : Der el ict ▁sat ell ites ▁in ▁hel i oc ent ric ▁orbit ▁Category : 1 9 8 4 ▁in ▁space fl ight ▁Category : 1 9 8 4 ▁in ▁the ▁Soviet ▁Union ▁Category : Der el ict ▁space ▁prob es ▁Category :