Solar System: Asteroids, Comets and Meteors: Near Earth Objects

A search for NEO images in existing photographic plate archives. Archives used, procedures, personnel involved, sample images.

Efforts on 1937 UB "Hermes", a long-lost Apollo asteroid, rediscovered in 2003, now numbered (69230) Hermes.

Basic information about near Earth asteroids and the hazard they pose to Earth. Asteroid origins, potentially hazardous asteroids, Earth crossing asteroids, Torino impact scale.

A project to search photographic plate archives for images of known NEOs. Procedures used, team members, images and measurements of successful precoveries.

Offers essays by a university teacher on near Earth object with unusual orbits, such as 3753 Cruithne, 2002 AA29, hypothetical Earth trojans and quasi-satellites.

Short discussion of Yucatan and Tunguska impact events and current asteroid search programs.

A public program offered by the University of Arizona's Spacewatch Project. Volunteers review images to help find NEOs that the computers miss.

Summary of research on near Earth objects, activities of the International Astronomical Union's Working Group on Near Earth Objects (WGNEO).

NASA NEO Program Office at JPL. Overview, press releases, FAQ, 3D orbit viewer. Research information and statistics, including risk calculations for possible collisions with Earth.

Virtual exhibition and online activities on the nature of NEOs and the hazard they pose, what efforts are being made to detect NEOs and avert collisions.