hot jupiter

noun

An exosolar planet whose characteristics are similar to Jupiter, but which orbits its parent star much more closely and thus has higher temperatures.

Meanings

hot jupiter1

nounhot jupiter (plural hot jupiters)

plural hot jupiters

  1. Alternative letter-case form of hot Jupiter.

hot Jupiter2

nounhot Jupiter (plural hot Jupiters)

plural hot Jupiters

  1. astronomyAn exosolar planet whose characteristics are similar to Jupiter, but which orbits its parent star much more closely and thus has higher temperatures.

    Or, to put it a different way, the chance of finding a hot Jupiter is 100 times higher than the chance of finding a normal Jupiter, because it is 100 times closer to its parent star.

    2010, James Kasting, How to Find a Habitable Planet, Princeton, N.J.: Princeton University Press, →ISBN, →LCCN, →OCLC, page 224

    Synonyms: pegasid, epistellar Jovian

Synonyms & antonyms

nounAn exosolar planet whose characteristics are similar to Jupiter, but which orbits its parent star much more closely and thus has higher temperatures.

Translations

Finnish kuuma jupiter
  • kuuma jupitertype of exoplanet
French Jupiter chaud, Jupiter chaude
  • Jupiter chaudtype of exoplanet
  • Jupiter chaudetype of exoplanet
Cite this entry
APA

hot jupiter. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/hot%20jupiter

MLA

“hot jupiter.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/hot%20jupiter. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “hot jupiter,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/hot%20jupiter.

Source: hot jupiter on Wiktionary, CC BY-SA 4.0.