Home›Asteroids›31811 1999 NA4131811 1999 NA41Main-belt minor planetDesignation(31811) 1999 NA41ClassMain-beltSemi-major axis3.1163493 AUEccentricity0.0412432Inclination9.56077°Absolute magnitude (H)13.28Perihelion2.988 AUAphelion3.245 AU