46P/Wirtanen Comet
46P/Wirtanen — comet with 5.44-year orbit, 1.2 km nucleus. Closest approach to Earth in 70 years (2018, 0.077 AU). Original Rosetta target before mission change. Hyperactive…
View in the 3D map →Data
| Nucleus size | 1.2 km |
|---|---|
| Orbital period | 5.44 years |
| Perihelion | 1.055 AU |
| Aphelion | 5.131 AU |
| Eccentricity | 0.6588 |
| Discovered | 1948 |
| Next perihelion | 2029-Nov-18 |
| Composition | H2O ice, CO2, NH3, CH3OH, Organics |
Details
Closest approach to Earth in 70 years (2018, 0.077 AU). Original Rosetta target before mission change. Hyperactive despite small size.
Sources / 数据来源
JPL Small-Body Database / IAU Minor Planet Center