Largest minor planet moons by diameter

Largest minor planet moons by diameter ranked by diameter.

Last updated . Source: Wikidata.

As of 2026-10-17, Vanth tops the list with 480 km.

  1. #1 Vanth — 480 km

    natural satellite orbiting 90482 Orcus

    source Wikidata
  2. #2 Ilmarë — 400 km

    moon of 174567 Varda

    source Wikidata
  3. #3 Actaea — 390 km

    moon of Salacia

    source Wikidata
  4. #4 Dysnomia — 320 km

    moon of the dwarf planet Eris

    source Wikidata
  5. #5 Moon of 38628 Huya — 210 km

    moon of 38628 Huya

    source Wikidata
  6. #6 Xiangliu — 200 km

    moon of 225088 Gonggong

    source Wikidata
  7. #7 Gǃòʼé ǃHú — 138 km

    moon of (229762) Gǃkúnǁʼhòmdímà

    source Wikidata
  8. #8 Paha — 135 km

    moon of 47171 Lempo

    source Wikidata
  9. #9 ǃHãunu — 122 km

    moon of (469705) ǂKá̦gára

    source Wikidata
  10. #10 Sawiskera — 120 km

    the large moon of (88611) Teharonhiawako

    source Wikidata