1686 De Sitter

Main-belt minor planet

Designation: (1686) De Sitter
Class: Main-belt
Semi-major axis: 3.1635047 AU
Eccentricity: 0.1582199
Inclination: 0.61592°
Absolute magnitude (H): 11.16
Perihelion: 2.663 AU
Aphelion: 3.664 AU