777784 2009 HY121
Main-belt minor planet
- Designation
- (777784) 2009 HY121
- Class
- Main-belt
- Semi-major axis
- 3.1195549 AU
- Eccentricity
- 0.0713987
- Inclination
- 7.91562°
- Absolute magnitude (H)
- 17.33
- Perihelion
- 2.897 AU
- Aphelion
- 3.342 AU
Main-belt minor planet