Description, data on selected asteroids, images.

Tools to help observers select targets and plan observations. Also, orbital elements, reference star catalog data and software, link to Lowell Observatory Near Earth Object Search (LONEOS).

Indexed, searchable database of asteroid data.

NASA JPL asteroid research using radar. Introduction, scientific activity, asteroid images.

Background information, details on selected asteroids, image gallery.

Listing and description of dynamical groups and physical families of asteroids.

Lightcurve collaboration, physical studies, software, Palmer Divide Observatory.

Covers history, asteroid composition, Earth collisions.

Common questions.

Dynamical groups of asteroids, mathematical formulas, the Tunguska event.

A review of current knowledge of this dynamical group. Overview, low eccentricity Hildas, the Schubart family, numbered Hildas of the Palomar-Leiden survey.

A list of asteroids whose names are known to have a Canadian connection, usually because they are named after a Canadian.

Cartography of irregularly shaped asteroids and satellites. Maps, images, related papers.

From the Uppsala Planetary System Group. Overview, research projects, discoveries.

Airborne observations, Vulcanoids, various asteroid collision effects.

Data sets and references to scientific literature describing results.

Archive of articles posted at the Planetary Science Research Discoveries site at the University of Hawaii.

Collisions, tidal disruption, dynamics, planetary impacts, crater chains and doublet craters.

Known or suspected asteroids with satellites.

Lists of known or suspected asteroids with satellites. Also history, graphs, links.

Basic description, overview of asteroid science.

Graphs and animations showing major asteroid groups and families.

Scientifically accurate scale models of asteroids.

List of suspected binary asteroids with bibliographic references.

Light curves, database of asteroid spin vectors.

Association of European research groups active in asteroid research. Links to member sites and resources useful for asteroid research.

Offers general scientific overview with history and images by the National Air and Space Museum.

Encyclopedia article covers history, groups of asteroids, spectral types. Tables of largest and notable asteroids.

Offers updated alphabetical list of minor planet names.

Overview of current scientific knowledge of asteroids.

Chart showing relative sizes, distance from the sun, inclination/eccentricity, shape, and color. Other charts showing position in the solar system. Summary data.

Article describing the asteroid Cruithne, and orbital motions at gravitational balance points in space that temporarily pull asteroids into Earth orbits.