▁is ▁not ▁a ▁Ven us ▁co - orb ital ▁at ▁the ▁moment , ▁it ▁may ▁become ▁one ▁in ▁the ▁future ▁and ▁may ▁have ▁been ▁one ▁in ▁the ▁past . ▁Currently , ▁the ▁only ▁known ▁Ven us ▁co - or bit als ▁are ▁, ▁ ▁and ▁ ▁( as ▁of ▁ 1 8 ▁March ▁ 2 0 1 3 ). ▁Of ▁the ▁seven ▁known ▁objects ▁in ▁Ven us ' ▁zone ▁of ▁influence , ▁ ▁is ▁the ▁largest ▁at ▁about ▁ 1 , 4 0 0 ▁metres . ▁All ▁of ▁these ▁objects , ▁like ▁, ▁have ▁ecc ent ric ▁or bits ▁that ▁cross ▁Mercur y ' s ▁and ▁Earth ' s ▁or bits ▁as ▁well . ▁ ▁The ▁combination ▁of ▁a ▁small ▁semi - major ▁axis ▁and ▁high ▁ecc ent ric ity ▁made ▁ ▁the ▁first ▁A ten ▁astero id ▁discovered ▁to ▁get ▁closer ▁to ▁the ▁Sun ▁( 0 . 2 9 5 ▁A U ) ▁than ▁Mercur y ▁ever ▁does . ▁ 2 3 4 0 ▁H ath or ▁( the ▁second ▁A ten ▁discovered , ▁in ▁ 1 9 7 6 ) ▁had ▁the ▁smallest ▁peri hel ion ▁( 0 . 4 6 4 ▁A U ) ▁earlier , ▁which ▁was ▁about ▁the ▁same ▁distance ▁as ▁Mercur y ' s ▁a ph el ion ▁( 0 . 4 6 7 ▁A U ). ▁It ▁was ▁not ▁until ▁ ▁( 0 . 2 7 7 ▁A U ) ▁was ▁discovered ▁that ▁an ▁A ten ▁astero id ▁with ▁a ▁lower ▁peri hel ion ▁was ▁found