- time of discovery or invention
- 1957-08-02
- Commons category
- C/1957 P1 (Mrkos)
- orbital eccentricity
- 0.99934
- semi-major axis of an orbit
- 536
- periapsis
- 0.35494
- apoapsis
- 1071.97
- orbital inclination
- 93.957
- longitude of ascending node
- 68.32383959975725
- argument of periapsis
- 40.319