Meanings
plural kuiperoids · alternative Kuiperoid
- astronomyA Kuiper belt object, such as Pluto
As of mid-1995, more than 20 objects, dubbed Kuiperoids, had been discovered within the Kuiper belt. The first one (other than Pluto) was spotted in 1992.
1995, Terence Dickinson, Other worlds: a beginner's guide to planets and moons3 more examples
I'm fascinated by the relatively small "ice balls" in the very outer part of the solar system. I have often wondered what bodies lay out there fainter than 17th magnitude, the limit of the plates I took at Lowell Observatory. May I suggest we call this new class of objects "Kuiperoids"?
1994 December, Clyde Tombaugh, “The Last Word”, Letters to the Editor, in Sky & Telescope, page 8Complementary mechanisms of dust release from kuiperoids and Centaurs between Jupiter and Neptune can include impacts of large grains and the solar wind. Without discussing here the dust production by the above mechanisms ... we simply refer to observational data that indicate, for a number of kuiperoids and Centaurs, a steady cometary activity lasting for years
2000 June 29, Gorkavyi, Ozernoy, Taidakova, Mather, “Distribution of dust from Kuiper belt objects”, in arXiv.org, arXiv:astro-ph/0006435v1We would not begin to guess how many more objects like Pluto (and Charon) could exist in the outskirts of our Solar System until the discovery of the first kuiperoid (1992 QB1) by David Jewitt and Jane Luu
2012, Robert Tuttle, The Fourth Source, page 178Synonyms: Kuiper belt object
Synonyms & antonyms
nounA Kuiper belt object, such as Pluto
Origin
Blend of Kuiper belt + asteroid, a name suggested by Clyde Tombaugh, discoverer of Pluto.
Full word history & related roots →Cite this entry
kuiperoid. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/kuiperoid
“kuiperoid.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/kuiperoid. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “kuiperoid,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/kuiperoid.
Source: kuiperoid on Wiktionary, CC BY-SA 4.0.