257389 2009 SY155
Jupiter Trojan minor planet
- Designation
- (257389) 2009 SY155
- Class
- Jupiter Trojan
- Semi-major axis
- 5.1009947 AU
- Eccentricity
- 0.0435407
- Inclination
- 4.83613°
- Absolute magnitude (H)
- 13.49
- Perihelion
- 4.879 AU
- Aphelion
- 5.323 AU
Jupiter Trojan minor planet