Comet
Wirtanen
46P/Wirtanen
Where is it now
- Distance from Sun
- 5.03 AU
- True anomaly
- 171.78°
- As of
- 29 August 2026
Two-body Kepler propagation — accurate to ~0.1% for major planets over decades, less so for highly-perturbed bodies. Use JPL Horizons for high precision.
Orbital elements
- Semi-major axis
- 3.093 AU
- Eccentricity
- 0.6588
- Inclination
- 11.75°
- Orbital period
- 5.44 years
- Perihelion
- 1.055 AU
- Aphelion
- 5.13 AU
- Longitude of ascending node
- 82.16°
- Argument of periapsis
- 356.34°
- Epoch · J2000
- JD 2458465.43117 (perihelion)
Visual & observation
- Absolute magnitude (H)
- 16.6
- Spectral type
- JFc
Sources
- orbital elements: JPL SBDB (comets)