Comet
SOHO
321P/SOHO
Where is it now
- Distance from Sun
- 4.038 AU
- True anomaly
- 184.96°
- 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
- 2.427 AU
- Eccentricity
- 0.9807
- Inclination
- 19.74°
- Orbital period
- 3.78 years
- Perihelion
- 0.047 AU
- Aphelion
- 4.806 AU
- Longitude of ascending node
- 165.27°
- Argument of periapsis
- 172.41°
- Epoch · J2000
- JD 2453347.32281 (perihelion)
Visual & observation
- Spectral type
- JFc
Sources
- orbital elements: JPL SBDB (comets)