12857 Johandemessie
Main-belt minor planet
- Designation
- (12857) Johandemessie
- Class
- Main-belt
- Semi-major axis
- 2.9066306 AU
- Eccentricity
- 0.075171
- Inclination
- 2.02098°
- Absolute magnitude (H)
- 13.68
- Perihelion
- 2.688 AU
- Aphelion
- 3.125 AU
Main-belt minor planet