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Asteroids are smaller than planets, bigger than meteoroids, and they don't have the tail or fuzzy appearance that a comet does. "Minor planet" is a technical term for asteroid.

Amateur_Observing@	Occultations@

• Association of Lunar and Planetary Observers: Minor Planets Section Photometry and shape modeling program, magnitude alert project, finder charts, visual observing of minor planets.
• AstDys, Asteroids - Dynamic Site Indexed, searchable database of asteroid data.
• Asteroid Articles Archive of articles posted at the Planetary Science Research Discoveries site at the University of Hawaii.
• Asteroid Groups Graphs and animations showing major asteroid groups and families.
• Asteroid Introduction Asteroids are rocky and metallic objects that orbit the Sun but are too small to be considered planets. Learn more about these mini-planets through asteroid science.
• Asteroid Models Research in determining asteroid shapes through photometric data and multiple data sources. Reference documents, introduction, links.
• Asteroid Observing Services from Lowell Observatory 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).
• Asteroid Radar Research This web site is primarily a data-organization and communications tool that supports ongoing research by JPL scientists and our colleagues.
• Asteroid Radar Research NASA JPL asteroid research using radar. Introduction, scientific activity, asteroid images.
• Asteroids Common questions.
• Asteroids From the Uppsala Planetary System Group. Overview, research projects, discoveries.
• Asteroids Link collection organized as a study guide.
• Asteroids Chart showing relative sizes, distance from the sun, inclination/eccentricity, shape, and color. Other charts showing position in the solar system. Summary data.
• Asteroids - Planetary Bricks A look at how asteroids came to be discovered, what and where they are, and the potential danger they exhibit for us here on earth.
• Asteroids and Remote Planets Section Section of the British Astronomical Association. Asteroid finder charts, articles on observing techniques.
• Asteroids with Canadian Connections A list of asteroids whose names are known to have a Canadian connection, usually because they are named after a Canadian.
• Asteroids with Satellites Lists of known or suspected asteroids with satellites. Also history, graphs, links.
• Astronomy Related Rrograms By Jure Skvare. Downloads and web based services useful to asteroid observers. Fitsblink, asteroid server, fitsjd, fits2pg, fitsfrompg, asteroid identifier, residual calculator.
• Bill Bottke's Asteroid Research Collisions, tidal disruption, dynamics, planetary impacts, crater chains and doublet craters.
• Dan Durda's Research Interests Airborne observations, Vulcanoids, various asteroid collision effects.
• Eric Weisstein's World of Astronomy: Asteroids Dynamical groups of asteroids, mathematical formulas, the Tunguska event.
• European Asteroid Research Node Association of European research groups active in asteroid research. Links to member sites and resources useful for asteroid research.
• Exploring The Planets: Asteroids Offers general scientific overview with history and images by the National Air and Space Museum.
• Impacts Into Asteroids Theoretical studies of impacts of one asteroid into another, and tsunami effects of an asteroid impact on Earth.
• Introduction to Asteroids Covers history, asteroid composition, Earth collisions.
• Kleopatra Asteroid Offer images and animation of the body.
• List of Double Minor Planets Known or suspected asteroids with satellites.
• Minor Planet Groups and Families Listing and description of dynamical groups and physical families of asteroids.
• Minor Planet Observer Lightcurve collaboration, physical studies, software, Palmer Divide Observatory.
• Minor Planets Offers updated alphabetical list of minor planet names.
• News on Hilda Asteroids A review of current knowledge of this dynamical group. Overview, low eccentricity Hildas, the Schubart family, numbered Hildas of the Palomar-Leiden survey.
• Nine Planets: Asteroids Overview of current scientific knowledge of asteroids.
• Orrery: Asteroids Basic information about asteroids, history of asteroid discovery, Bode's Law.
• Physical studies of asteroids at Poznan Observatory Light curves, database of asteroid spin vectors.
• Serra Designs - Asteroid Model Series Scientifically accurate scale models of asteroids.
• Small Main-Belt Asteroid Spectroscopic Survey II Data sets and references to scientific literature describing results.
• Small World Atlas 2000 Cartography of irregularly shaped asteroids and satellites. Maps, images, related papers.
• Solar System Exploration: Asteroids Basic description, overview of asteroid science.
• Suspected and known binary asteroids List of suspected binary asteroids with bibliographic references.
• The Asteroid World Categorization of asteroids by their orbits and physical properties.
• UAI Minor Planets Section Italian organization of minor planet observers. Histograms and scatter plots of asteroid orbital elements. Ephemeridies, opposition dates, conjunctions with Messier objects, shareware applications.
• Views of the Solar System: Asteroid Introduction Background information, details on selected asteroids, image gallery.
• Wikipedia: Asteroid Encyclopedia article covers history, groups of asteroids, spectral types. Tables of largest and notable asteroids.
• Windows to the Universe: Asteroids Description, data on selected asteroids, images.

 

 

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