| Asteroid/Comet Connection: A digest of news related to asteroids, comets, and meteors. Monitors changes in impact risk calculations. Includes links to original sources of information. |
| Aerospaceguide.net: Near Earth Asteroid: Descriptions of asteroids, comets, and near Earth objects. |
| Asteroids - their history: Introduction paper on asteroids and Kuiper Belt objects. |
| Asteroids and Comets: Data from across NASA, compiled at the National Space Science Data Center. |
| Asteroids Comets Meteors (ACM): A meeting bringing together scientists studying small solar system bodies. Dates and links of past meetings. |
| Asteroids, Comets, and Meteorites: Their Intimate Relation with Life on Earth: A curriculum prepared by the Yale-New Haven Teachers Institute. |
| Astrobiology Magazine: Meteors, Comets, and Asteroids: Selected articles, usually with some connection to life on Earth or elsewhere in the solar system. |
| BBC NEWS: Astronomers Discover 'New Planet': A telescope has detected what could be the Solar System's 10th planet, Sedna. |
| Chiron Information and Documentation: A minor body with dual status as both asteroid and comet. |
| Comet/Asteroid Orbit Determination and Ephemeris Software: A downloadable Java program for various orbit computations on asteroids and comets. |
| Comets and Meteor Showers: Includes news, information, professional and amateur observations as well as historical research. Compiled by Gary W. Kronk. |
| Committee on Small Body Nomenclature: Group responsible for the naming of asteroids and comets. Description of the naming process, guidelines for submitting name proposals. |
| Keeping an Eye on Space Rocks: Overview of asteroids, comets, and meteors, with special attention to the impact hazard to Earth. |
| Meteorica: Catalog of names associated with small body impacts. Meteors, meteorites, craters, impact structures, and tektites, both on Earth and elsewhere in the solar system. |
| Meteorites and Asteroids: Companion resource to an astronomy textbook, contains links and current news about meteorites and asteroids. |
| Minor Planet Center: International clearing house for observations of asteroids and comets. |
| NASA Planetary Photojournal: Asteroid and Comets: Selected NASA images. |
| Nine Planets: Sedna: General information on the object officially known as 2003 VB12. This object is the most distant body known that orbits our Sun. |
| NOVA Online: Doomsday Asteroid: Transcript of the television broadcast, kitchen comet activity, general information on comets. |
| Orbits: Interactive 3D orbit visualization for known asteroids and comets. |
| Planetary Data System: Small Bodies Node: Data concerning asteroids and comets, in a standard format for use primarily by astronomical observers and mission planners, as well as educators and students. |
| Small Bodies: Link collection covering the Kuiper Belt and Oort Cloud, asteroids, comets, meteors and meteorites, near Earth objects, and impacts. |
| Startdate Online: Leftovers: Fact sheets on asteroids and comets, index to radio broadcasts on related topics. From the McDonald Observatory. |
| The Nine Planets: Small Bodies in the Solar System: Overview of asteroids, comets, meteors. Images, data, links. |
| The Physics of: Asteroids, Comets and Meteoroids: Physics of asteroids, comets and meteoroids. Application with Newton's and Kepler's Laws, kinetic and potential energy. |
| USGS Astrogeology: Other Objects: Official names of features on asteroids as approved by the International Astronomical Union. Data and images for selected asteroids and comets. |
| Welcome to the Planets: Small Bodies: Asteroids Ida and Dactyl, Comets Shoemaker-Levy 9 and Halley, representative meteorites. |
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