potentially hazardous object
From Wiktionary, the free dictionary
Alternative forms
Noun
potentially hazardous object (plural potentially hazardous objects)
- (astronomy) A near-Earth asteroid or comet with an orbit such that it has the potential to make close approaches to the Earth and is of a size large enough to cause significant regional damage in the event of impact.
Hypernyms
Coordinate terms
- near-Earth asteroid (NEA)
- near-Earth comet (NEC)
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