Comet
McNaught
220P/McNaught
Where is it now
- Distance from Sun
- 1.731 AU
- True anomaly
- 46.44°
- 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
- 3.114 AU
- Eccentricity
- 0.5017
- Inclination
- 8.13°
- Orbital period
- 5.49 years
- Perihelion
- 1.552 AU
- Aphelion
- 4.676 AU
- Longitude of ascending node
- 150.13°
- Argument of periapsis
- 180.75°
- Epoch · J2000
- JD 2457187.30990 (perihelion)
Visual & observation
- Absolute magnitude (H)
- 15.3
- Spectral type
- JFc
Sources
- orbital elements: JPL SBDB (comets)