Home›Asteroids›25539 Roberthelm25539 RoberthelmMain-belt minor planetOpen encyclopedia entry →Designation(25539) RoberthelmClassMain-beltSemi-major axis2.698293 AUEccentricity0.0345555Inclination6.19307°Absolute magnitude (H)14.99Perihelion2.605 AUAphelion2.792 AU