Comet
PANSTARRS
P/2017 S8 (PANSTARRS)
Where is it now
- Distance from Sun
- 2.462 AU
- True anomaly
- 263.08°
- 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
- 2.775 AU
- Eccentricity
- 0.3935
- Inclination
- 29.85°
- Orbital period
- 4.62 years
- Perihelion
- 1.683 AU
- Aphelion
- 3.867 AU
- Longitude of ascending node
- 191.8°
- Argument of periapsis
- 254.57°
- Epoch · J2000
- JD 2458147.14545 (perihelion)
Visual & observation
- Absolute magnitude (H)
- 18.1
- Spectral type
- ETc
Sources
- orbital elements: JPL SBDB (comets)