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NASA reclassifies a near-Earth object as a comet after nearly 30 years of observations; implications for comet discovery and pla

After nearly 30 years, NASA determined a near-Earth asteroid is actually a comet. The finding could expand astronomers’ ability to identify more hidden comets and, by improving characterization of near-Earth small bodies, strengthen long-term planetary defense efforts.

Discovered 2026-07-22T12:08:21.189330-07:00 | 2026-07-22T12:08:21.189330-07:00

Briefing

What Hype is tracking

  • NASA’s reclassification of a near-Earth object from “asteroid” to “comet” directly affects how scientists model and search for small bodies that could pose hazards.
  • Better detection and characterization of “hidden comets” improves the quality of target catalogs used to plan future planetary-defense observations.
  • The discovery also extends scientific understanding of near-Earth populations, which can influence how defensive research prioritizes object types and threat pathways.

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Space.com
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1
First Seen
2026-07-22T12:08:21.189330-07:00
Latest Update
2026-07-22T12:08:21.189330-07:00
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Space

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