- Commons category
- C/2018 Y1 (Iwamoto)
- time of discovery or invention
- 2018-12-18
- absolute magnitude
- 13.6
- orbital eccentricity
- 0.9910793080288138
- semi-major axis of an orbit
- 144.2706971815954
- periapsis
- 1.286994450025289
- apoapsis
- 287.2543999131655
- orbital inclination
- 160.4035376571279
- longitude of ascending node
- 147.4835617543771