Home›Asteroids›129173 Mattgoman129173 MattgomanMain-belt minor planetOpen encyclopedia entry →Designation(129173) MattgomanClassMain-beltSemi-major axis3.1063817 AUEccentricity0.1385166Inclination17.2511°Absolute magnitude (H)15.3Perihelion2.676 AUAphelion3.537 AU