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• 16 Psyche — Infobox Planet | discovery=yes | physical characteristics = yes | bgcolour=#FFFFC0 name=16 Psyche discoverer=Annibale de Gasparis discovered=March 17, 1852 alt names= none mp category=Main belt epoch=October 22, 2004 (JD 2453300.5)… …   Wikipedia

• M-type asteroid — M type asteroids are asteroids of unknown composition; they are moderately bright (albedo 0.1 ndash;0.2). Some, but not all, are made of nickel iron, either pure or mixed with small amounts of stone. These are thought to be pieces of the metallic …   Wikipedia

• Asteroid taxonomic classes — ▪ Table Asteroid taxonomic classes class mean albedo spectral reflectivity (at wavelengths of 0.3–1.1 micrometres [μm]) C 0.05 neutral, slight absorption at wavelengths of 0.4 μm or shorter D 0.04 very red at wavelengths of 0.7 μm or longer F… …   Universalium