Mission concept · Small Bodies & Planetary Defense · In development

NEO Surveyor

A NASA infrared space telescope dedicated to planetary defence — hunting for the near-Earth objects that are hard to spot from the ground, to find hazards decades before any possible impact.

Small Bodies & Planetary Defense NASA

Highlights

›An infrared hunter for hazardous asteroids

Mission goals

›Find the near-Earth asteroids and comets that could threaten Earth
›Discover most hazardous objects 140 metres and larger

Technology

An infrared space telescope at the Sun–Earth L1 point.

Status & uncertainties

Completeness of the survey depends on mission duration and object sizes.

Knowledge connections

Member of groupSmall Bodies & Planetary Defense
Associated withNASA
Associated withDecision & Mission Planning

Sources

Facts on this topic will be cited from these primary and reference sources.

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.

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