Comet
PANSTARRS
311P/PANSTARRS
Where is it now
- Distance from Sun
- 2.105 AU
- True anomaly
- 282.86°
- 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
- 2.189 AU
- Eccentricity
- 0.1157
- Inclination
- 4.97°
- Orbital period
- 3.24 years
- Perihelion
- 1.936 AU
- Aphelion
- 2.442 AU
- Longitude of ascending node
- 279.26°
- Argument of periapsis
- 144°
- Epoch · J2000
- JD 2457945.18049 (perihelion)
Visual & observation
- Absolute magnitude (H)
- 19
- Spectral type
- ETc
Sources
- orbital elements: JPL SBDB (comets)