List of Mars-crossing minor planets


A Mars-crossing asteroid is an asteroid whose orbit crosses that of Mars. The known numbered Mars-crossers are listed here. They include the two numbered Mars trojans 5261 Eureka and.
Many databases, for instance the JPL Small-Body Database, only list asteroids with a perihelion greater than 1.3 AU as Mars-crossers. An asteroid with a perihelion less than this is classed as a near-Earth object even though it is crossing the orbit of Mars as well as crossing that of Earth. Nevertheless, these objects are listed on this page. A grazer is an object with a perihelion below the aphelion of Mars but above the Martian perihelion. The JPL SBDB lists 13,500 Mars-crossing asteroids. Only 18 MCAs are brighter than absolute magnitude 12.5, which typically makes these asteroids with H<12.5 more than 13 km in diameter depending on the albedo. The smallest known MCAs have an absolute magnitude of around 24 and are typically less than 100 meters in diameter.

Co-orbital

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Candidates
These objects are not catalogued as Mars-crossers in databases such as the Jet Propulsion Laboratory's online . Instead, they are categorized as Near Earth Objects.
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