121257 1999 RQ91
Main-belt minor planet
- Designation
- (121257) 1999 RQ91
- Class
- Main-belt
- Semi-major axis
- 2.7251337 AU
- Eccentricity
- 0.1326278
- Inclination
- 12.69373°
- Absolute magnitude (H)
- 15.14
- Perihelion
- 2.364 AU
- Aphelion
- 3.087 AU
Main-belt minor planet