innermost stable circular orbit

noun

The closest radius at which a particle can maintain a stable, circular orbit around a massive, compact object, such as a black hole.

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Meanings

nouninnermost stable circular orbit (countable and uncountable, plural innermost stable circular orbits)

plural innermost stable circular orbits

  1. countableuncountableastronomyThe closest radius at which a particle can maintain a stable, circular orbit around a massive, compact object, such as a black hole.
Cite this entry
APA

innermost stable circular orbit. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/innermost%20stable%20circular%20orbit

MLA

“innermost stable circular orbit.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/innermost%20stable%20circular%20orbit. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “innermost stable circular orbit,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/innermost%20stable%20circular%20orbit.

Source: innermost stable circular orbit on Wiktionary, CC BY-SA 4.0.