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Niche Astronomical Data
Asteroid Orbit Query
Today's Near-Earth Objects: size, distance and hazard status.
Try the tool
Tool principle
Data comes from NASA's Near-Earth Object Web Service (NeoWs), which tracks all catalogued asteroids passing within ~7.5 million km of Earth.
Data source: NASA NeoWs (public open API, DEMO_KEY shared quota).
User guide
- 1Click Refresh to load today's close approaches.
- 2'PHA' means Potentially Hazardous Asteroid — larger than 140 m and within 7.5 M km.
Frequently asked questions
Should I worry about impacts?＋
No known object over 100 m has a >0.1% impact probability in the next century.