C/2018 V1 (Machholz–Fujikawa–Iwamoto)
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Path of the comet C/2018 V1 across the sky, with a 7-day motion shown | |
| Discovery | |
|---|---|
| Discovered by | Donald Machholz Shigehisa Fujikawa Masayuki Iwamoto |
| Discovery site | Colfax, California Japan |
| Discovery date | 7 November 2018 |
| Orbital characteristics | |
| Epoch | 16 November 2018 (JD 2458438.5) |
| Observation arc | 37 days |
| Number of observations | 750 |
| Perihelion | 0.387 AU |
| Eccentricity | 1.00039 |
| Inclination | 143.988° |
| 128.722° | |
| Argument of periapsis | 88.775° |
| Last perihelion | 3 December 2018 |
| TJupiter | –0.624 |
| Earth MOID | 0.115 AU |
| Jupiter MOID | 2.567 AU |
| Physical characteristics | |
| Comet total magnitude (M1) | 12.8 |
| Comet nuclear magnitude (M2) | 17.1 |
| 7.5 (2018 apparition) | |
C/2018 V1 (Machholz–Fujikawa–Iwamoto) is a comet that follows a slightly hyperbolic trajectory. It was visually discovered on 7 November 2018 by Donald Machholz using an 18.5-inch reflecting telescope, and was independently co-discovered by Shigehisa Fujikawa and Masayuki Iwamoto respectively. It reached perihelion on 3 December 2018.