potentially hazardous object

English

Alternative forms

PHO (initialism)

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

near-Earth object (NEO)

Coordinate terms

near-Earth asteroid (NEA)
near-Earth comet (NEC)

This article is issued from Wiktionary. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.