Home›Asteroids›7990 1981 SN17990 1981 SN1Main-belt minor planetDesignation(7990) 1981 SN1ClassMain-beltSemi-major axis3.0467247 AUEccentricity0.3164214Inclination2.3472°Absolute magnitude (H)14.04Perihelion2.083 AUAphelion4.011 AU