Asteroids, comets, and meteors are sometimes called "small bodies" of the Solar System. They are chunks of ice, rock, or metal that are small, at least compared to planets. They are related in several ways, so sites with information about all three are common.
A digest of news related to asteroids, comets, and meteors. Monitors changes in impact risk calculations. Includes links to original sources of information.
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.
Catalogue of the Solar System: Small Bodies Orbital Evolution
Provides information about asteroids of the Aten, Apollo and Amor groups and periodic comets. In English and Russian.
Comets and Asteroids News
Latest news and information about comets and asteroids proved by Remanzacco Observatory, Italy.
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.
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.
The Nine Planets: Small Bodies in the Solar System
Overview of asteroids, comets, meteors. Images, data, links.
NOVA Online: Doomsday Asteroid
Transcript of the television broadcast, kitchen comet activity, general information on comets.
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.
Link collection covering the Kuiper Belt and Oort Cloud, asteroids, comets, meteors and meteorites, near Earth objects, and impacts.
The Small Bodies
Provides detailed information on asteroids, comets and meteoroids.
Startdate Online: Leftovers
Fact sheets on asteroids and comets, index to radio broadcasts on related topics. From the McDonald Observatory.
Welcome to the Planets: Small Bodies
Asteroids Ida and Dactyl, Comets Shoemaker-Levy 9 and Halley, representative meteorites.
BBC NEWS: Astronomers Discover 'New Planet'
A telescope has detected what could be the Solar System's 10th planet, Sedna. (March 15, 2004)
Last update:September 9, 2016 at 6:54:04 UTC