Home›Asteroids›639944 2018 NU21639944 2018 NU21Main-belt minor planetDesignation(639944) 2018 NU21ClassMain-beltSemi-major axis2.7377107 AUEccentricity0.0953999Inclination3.74395°Absolute magnitude (H)17.64Perihelion2.477 AUAphelion2.999 AU