Definitions from Wiktionary (gravitational keyhole)
▸ noun: (astronomy) A tiny region of space where a planet's gravity would alter the orbit of a passing asteroid such that the asteroid would collide with that planet on a given future orbital pass.
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▸ noun: (astronomy) A tiny region of space where a planet's gravity would alter the orbit of a passing asteroid such that the asteroid would collide with that planet on a given future orbital pass.
Similar:
keyhole,
ringhole,
graveyard orbit,
osculating orbit,
gravity well,
peribothron,
Kirkwood gap,
coronal hole,
potentially hazardous object,
hadeocentric orbit,
more...
Opposite:
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▸ Wikipedia articles (New!)
▸ Words that often appear near gravitational keyhole
▸ Rhymes of gravitational keyhole
▸ Invented words related to gravitational keyhole