I-18 Delphini b (efinyeziweyo 18 Del b), ngokusesikweni ebizwa ngokuba yiArion, sisijikelezi -langa esingaphandle kwelanga malunga nama -249 eminyaka yokukhanya kude kwikroza laseDelphinus.

Isijikelezi- langa sexesha leentsuku ezingama-993 sijikeleza inkwenkwezi enkulu etyheli eyi-18 Delphini. Iplanethi enkulu kakhulu kwaye exineneyo enobunzima obuyi - iThemplethi:Jupiter mass yafunyanwa ngoFebruwari 19, 2008, nguBun'ei Sato.

NgoJulayi 2014, i- International Astronomical Union yasungula i-NameExoWorlds, inkqubo yokunika amagama afanelekileyo kwii-exoplanets ezithile kunye neenkwenkwezi zazo. [1] Inkqubo ibandakanya ukutyunjwa koluntu kunye nokuvotela amagama amatsha. [2] NgoDisemba 2015, i-IAU yazisa igama elithi Arion kule planethi. [3] Igama eliphumeleleyo lingeniswe yiTokushima Prefectural Jonan High School Science Club yaseJapan . UArion wayeyingqondi kwimibongo nomculo kwiGrisi yamandulo. Ngokwentsomi, ubomi bakhe basindiswa elwandle ngamahlengesi emva kokutsala umdla wabo ngokudlala ikhithara yakhe [4] ('Delphinus' ligama lesiLatini elithi 'dolphin').

  1. NameExoWorlds: An IAU Worldwide Contest to Name Exoplanets and their Host Stars.
  2. "NameExoWorlds The Process" archived from the original on 2015-08-15 retrieved 2015-09-05  Unknown parameter |url-status= ignored (help)
  3. Final Results of NameExoWorlds Public Vote Released, International Astronomical Union, 15 December 2015.
  4. "NameExoWorlds The Approved Names" archived from the original on 2018-02-01 retrieved 2015-12-17  Unknown parameter |url-status= ignored (help)