| C/2017 T1 (Heinze) | |
| Discoverer: | Ari Heinze |
| Discovery Date: | October 2, 2017 |
| Epoch: | 2458083.5 |
| Perihelion: | 0.58063929 AU |
| Surface Grav: | 132628150151 |
| Eccentricity: | 1.000290608 |
| Inclination: | 96.831860° |
| Next P: | 21 February 2018 |
C/2017 T1 (Heinze) is a near parabolic comet that passed closest to Earth on January 4, 2018, at a distance of 0.22 AU. It was discovered on 10/2/2017 by Ari Heinze of the University of Hawaiʻi. Perihelion was on February 21, 2018, and it was expected peak magnitude about 8.8.[1]