Home›Asteroids›20205 Sitanchen20205 SitanchenMain-belt minor planetOpen encyclopedia entry →Designation(20205) SitanchenClassMain-beltSemi-major axis2.7174651 AUEccentricity0.0095221Inclination3.02711°Absolute magnitude (H)14.74Perihelion2.692 AUAphelion2.743 AU