- time of discovery or invention
- 2003-04-26
- provisional designation
- 257P/2005 JY126
- absolute magnitude
- 15.1
- orbital eccentricity
- 0.4323743719041483
- semi-major axis of an orbit
- 3.753522591667275
- periapsis
- 2.130595618667106
- apoapsis
- 5.376449564667444
- orbital inclination
- 20.24031529474932
- longitude of ascending node
- 207.8501443047092
- argument of periapsis
- 117.8839913161226