Home›Asteroids›661639 2005 BT41661639 2005 BT41Main-belt minor planetDesignation(661639) 2005 BT41ClassMain-beltSemi-major axis2.5356572 AUEccentricity0.1860088Inclination4.03294°Absolute magnitude (H)17.6Perihelion2.064 AUAphelion3.007 AU