Comet
PANSTARRS
P/2025 W4 (PANSTARRS)
Where is it now
- Distance from Sun
- 2.582 AU
- True anomaly
- 102.46°
- 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
- 2.579 AU
- Eccentricity
- 0.2112
- Inclination
- 1.3°
- Orbital period
- 4.14 years
- Perihelion
- 2.034 AU
- Aphelion
- 3.124 AU
- Longitude of ascending node
- 237.12°
- Argument of periapsis
- 172.28°
- Epoch · J2000
- JD 2460952.97537 (perihelion)
Visual & observation
- Absolute magnitude (H)
- 17.3
- Spectral type
- ETc
Sources
- orbital elements: JPL SBDB (comets)