near earth objects

    Top: Science: Astronomy: Solar_System: Asteroids,_Comets_and_Meteors: Near_Earth_Objects:

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• - 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.
  
• - A public program offered by the University of Arizona's Spacewatch Project. Volunteers review images to help find NEOs that the computers miss.
  
• - Searchable database of near Earth asteroids, risk calculations for possible collisions with Earth, orbit calculation software.
  
• - Activities at Ondrejov Observatory, Czech Republic, for photometry and astrometry of NEOs. Project news, binary near Earth asteroids, people involved, lists of light curve parameters.
  
• - Encyclopedia article covers collision danger, spacecraft access, efforts to catalog NEOs, classifications, impact hazard scales.
  
• - 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.
  
• - A search for NEO images in existing photographic plate archives. Archives used, procedures, personnel involved, sample images.
  
• - Basic information about near Earth asteroids and the hazard they pose to Earth. Asteroid origins, potentially hazardous asteroids, Earth crossing asteroids, Torino impact scale.
  
• - NEO overview, projects, details on selected objects, space missions, news, Gene Shoemaker grant fund.
  
• - Efforts on 1937 UB "Hermes", a long-lost Apollo asteroid, rediscovered in 2003, now numbered (69230) Hermes.
  
• - Christian Science Monitor article examining asteroid collision science.
  
• - Data and software useful for identifying artificial satellites which might be mistaken for unknown near-Earth asteroids.
  
• - 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.
  
• - Ephmeris and data on 4179 Toutatis, including close approaches and animations.
  
• - Technical paper describing sources and orbital evolution of near Earth objects, and implications for NEO search efforts.
  
• - Short discussion of Yucatan and Tunguska impact events and current asteroid search programs.
  
• - German organization promoting NEO research. News, links, organization aims, history, current activities.
  
• - Summary of research on near Earth objects, activities of the International Astronomical Union's Working Group on Near Earth Objects (WGNEO).
  
• - A project to search photographic plate archives for images of known NEOs. Procedures used, team members, images and measurements of successful precoveries.