Pipeline stage · Step 4
Impact Monitoring
Automatic systems at CNEOS and ESA continuously propagate every known orbit forward for a century or more, flagging any that could approach Earth. Apophis was tracked this way until observations ruled out an impact for the next century.
Highlights
- ›Every orbit propagated a century into the future
Surveys, missions & objects
Knowledge connections
- Preceded byCharacterization
- Associated withCNEOS
- Associated with99942 Apophis
- Followed byRisk Assessment
Sources
The primary and reference sources this topic draws on.
- NASANational Aeronautics and Space Administration
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.