▁are ▁named ▁after ▁him ▁which ▁are ▁She pp ard - T ru j illo ▁( C / 2 0 1 4 ▁F 3 ), ▁She pp ard - Th olen ▁( C / 2 0 1 5 ▁T 5 ) ▁and ▁com et ▁Tru j illo - She pp ard ▁( P / 2 0 1 8 ▁V 5 ). ▁ ▁The ▁possible ▁d war f ▁plan ets ▁discovered ▁by ▁She pp ard ▁are ▁ 4 7 1 1 4 3   D z iew anna , ▁, ▁, ▁, ▁ ▁and ▁. ▁ ▁In ▁ 2 0 1 8 , ▁She pp ard ▁was ▁the ▁lead ▁discover er ▁of ▁the ▁most ▁distant ▁observed ▁object ▁in ▁our ▁solar ▁system ▁and ▁first ▁object ▁observed ▁beyond ▁ 1 0 0 ▁A U , ▁d war f ▁planet ▁ ▁( nick named ▁Far out ), ▁which ▁is ▁around ▁ 1 2 0 ▁A U ▁from ▁the ▁Sun . ▁ ▁He ▁discovered ▁a ▁minor - plan et ▁moon ▁around ▁likely ▁d war f ▁planet ▁. ▁ ▁He ▁is ▁also ▁a ▁co - dis cover er ▁of ▁a ▁minor - plan et ▁moon ▁orbit ing ▁the ▁binary ▁trans - Ne pt un ian ▁object ▁ 3 4 1 5 2 0   M ors – S om n us . ▁ ▁Among ▁the ▁numerous ▁named ▁irregular ▁mo ons ▁of ▁the ▁major ▁plan ets ▁in ▁whose ▁discovery ▁he ▁has ▁been ▁involved ▁are : ▁ ▁Jup iter ▁Disc over ed ▁mo ons ▁of ▁Jup iter ▁( full ▁list ): ▁▁