257385 2009 ST121
Jupiter Trojan minor planet
- Designation
- (257385) 2009 ST121
- Class
- Jupiter Trojan
- Semi-major axis
- 5.1116407 AU
- Eccentricity
- 0.0575009
- Inclination
- 7.0412°
- Absolute magnitude (H)
- 13.49
- Perihelion
- 4.818 AU
- Aphelion
- 5.406 AU
Jupiter Trojan minor planet