Discovery[1] | |
---|---|
Discovered by | Vance Avery Petriew |
Discovery date | 18 August 2001 |
Designations | |
P/2001 Q2, P/2007 A3 | |
Orbital characteristics[3] | |
Epoch | 17 April 2015 |
Aphelion | 5.267 AU |
Perihelion | 0.934 AU |
Semi-major axis | 3.100 AU |
Eccentricity | 0.6988 |
Orbital period | 5.46 years |
Inclination | 13.997° |
214.101° | |
Argument of periapsis | 181.938° |
Last perihelion | 12 July 2023 |
Next perihelion | 26 December 2028[2] |
TJupiter | 2.750 |
Earth MOID | 0.061 AU |
Comet total magnitude (M1) | 13.6[3] |
185P/Petriew is a periodic comet with an orbital period of 5.5 years. It was discovered by amateur astronomer Vance Avery Petriew on 18 August 2001.[1]