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David Morrison
Asteroid and Comet Impact Hazards title
skip navigation links 11/23/2009
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Near Earth Objects Dynamic Site (NEODyS)

Web-based listing by Andrea Milani of the known orbital and physical properties of all NEAs, together with information for calculating their future close approaches to the Earth. Updated daily.
 

NASA NEO Program Office website at JPL

This Program Office was established in mid-1998 to help coordinate, and provide a focal point for, the study of those comets and asteroids that can approach the Earth's orbit.
 

Tunguska: The Cosmic Mystery of the Century

This site contains Documents, a Bulletin Board, Links and a Photo Gallery all dealing with the Tunguska event.
 

LONEOS: The Lowell Observatory Near-Earth Object Search

LONEOS, operated by Ted Bowell at Lowell Observatory, is a system designed to find NEOs as part of the Spaceguard Survey.
 

Space Resources

This is on Space Resources, which is not directly our subject, but it looks like a good page for general NEO stuff.
 

Near-Earth Asteroid Tracking (NEAT)

NEAT is an autonomous celestial observatory located at the USAF/Ground-based Electro-Optical Deep Space Surveillance (GEODSS) site on Haleakala, Maui, Hawaii. NEAT is a cooperative effort of NASA, JPL, and the USAF.
 

Spaceguard UK

Spaceguard UK is a private organization that serves as the national focus in the UK for studies of the impact hazard.
 

The Spaceguard Foundation

An association aimed at the protection of the Earth environment against the bombardment of objects of the solar system (comets and asteroids).
 

The Minor Planet Center

"The MPC is responsible for the collection and dissemination of astrometric observations and orbits for minor planets and comets."
 

The European Asteroid Research Node (EARN)

"EARN is an informal association of European research groups active in asteroid research. The idea behind this service is to provide a means for easy and fast communication, exchange of data and other information in both observational and theoretical research on asteroids."
 

Space Telescope Science Institute

"Comet Shoemaker-Levy 9 Encounters Jupiter"

    "..... includes data from the Hubble Space Telescope and other observatories as well as other materials such as simulations and text."
 

The Spacewatch Project

Under the direction of Tom Gehrels and Bob McMillan, the University of Arizona's
Spacewatch Observatory pioneered in the automated discovery of NEAs.
 

Tumbling Stone

A popular-level web-based magazine about NEAs published in Italy by the Spaceguard Foundation.
 

Space Mechanics Group: Near Earth Objects

"....The objects (asteroids, comets, meteoroids) whose orbits cross the orbit of the Earth are studied from different points of view."
 

UK Government website on NEOs

UK Government website on NEOs, including the official government report on the impact risk and many related stories

 

NEAR-Shoemaker

NEAR-Shoemaker, the NASA space mission that orbited an asteroid for a year and then landed on the surface.
 

IAU Working Group on NEOs

The International Astronomical Union helps coordinate astronomers world-wide in discovery and research on Near Earth Objects.

 

LINEAR

LINEAR, the NASA-USAF search project that is leading the way in the Spaceguard Survey.
 

Impact Hazard: A Systems Approach

White paper on public policy issues associated with the impact hazard, by C. Chapman, D. Durda & R. Gold (February 24, 2001)

 

Dealing with the Impact Hazard

Comprehensive technical summary by David Morrison and colleagues of the asteroid impact hazard as of mid-2002.

 

Is the Sky Falling?

Article by David Morrison in Skeptical Inquirer (1997)

 

OECD Report 2003

Organisation for Economic Co-operation and Development (OECD), Global
Science Forum -- Workshop on Near Earth Objects: Risks, Policies and
Actions (Final Report)