289P/Blanpain
289P/Blanpain, formerly D/1819 W1 (Blanpain) is a short-period comet with an orbital period of 5.2 years. It was discovered by Jean-Jacques Blanpain on November 28, 1819 but was considered lost until it was recovered in 2013. It was last observed in 2020.
| Discovery | |
|---|---|
| Discovered by | Jean-Jacques Blanpain (Marseille, France) |
| Discovery date | 1819 November 28/November 2003 |
| Designations | |
Alternative designations | D/1819 W1; 2003 WY25 |
| Orbital characteristics | |
| Epoch | 1819 November 22 |
| Aphelion | 5.094 AU |
| Perihelion | 0.891 AU |
| Semi-major axis | 2.993 AU |
| Eccentricity | 0.702 |
| Orbital period | 5.18 yr |
| Inclination | 9.23° |
| Last perihelion | 2019-Dec-20 2014-08-28 2009-04-30 |
| Next perihelion | 2025-04-14 |
| Earth MOID | 0.015 AU (2,200,000 km) |
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.