Comets/Meteors/and Artificial Satellites
American Meteor Society – “The AMS is a group of meteor enthusiasts who wish to share their knowledge with fellow observers and the general public alike.”
Astronomical and Comet Definitions – useful listing of common astronomical and comet terms with their definitions
CalSky – tool to create orbit calculations for satellites in your location
Comet and Meteor Terminology – by Utah Skies
IAU: Central Bureau for Astronomical Telegrams – “The CBAT is responsible for the dissemination of information on transient astronomical events and various IAU news including the announcement of designations and names of various celestial objects.”
The ICQ Comet Information Website – “This is a key place to begin looking for useful and accurate information regarding news, observations, orbital data, designations and names, and good links regarding comets and related topics [sponsored by the International Comet Quarterly (ICQ)].”
International Meteor Organization – “The collection of meteor observations by several methods from all around the world ensures the comprehensive study of meteor showers and their relation to comets and interplanetary dust. “