Related Non-PDS Web Sites

Following are some Web sites not affiliated with the PDS or SBN, but which contain information which might be of interest to our users.

Small Body Ephemerides

• The Near-Earth Object Program at JPL offers a nifty orbit visualization tool as well as a link to and ephemeris generator.
• The Solar Systems Dynamics Group at the Jet Propulsion Laboratory has developed the HORIZONS system to provide ephemeris information for a multitude of solar system bodies through their web interface.

Impact Hazards

• The Near-Earth Object (NEO) Program at JPL
• The Near-Earth Asteroid Tracking (NEAT) Program
• The Spaceguard Foundation

Asteroids

• The Minor Planet Center catalogs asteroid (and comet) identifications and orbital elements and prepares ephemerides
• Ted Bowell has an independent set of asteroid orbital elements available through his home page at Lowell Observatory.
• EARN, the European Asteroid Research Node, located at the Institute of Planetary Exploration in Berlin, Germany. This site was established to support communication and information exchange among observational and theoretical asteroid researchers.

Comets

• The Minor Planet Center catalogs comet (and asteroid) identifications and orbital elements and prepares ephemerides
• JPL Comet Observation Home Page, includes information and images for amateur astronomers and the general public.
• The Sky and Telescope Homepage is a good source for information on recent and upcoming comets.

Last Updated: Rakesh (20th Jan 2007)