Comet
Catalina-PANSTARRS
P/2013 R3-A (Catalina-PANSTARRS)
Where is it now
- Distance from Sun
- 3.855 AU
- True anomaly
- 174.35°
- 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
- 3.033 AU
- Eccentricity
- 0.2733
- Inclination
- 0.9°
- Orbital period
- 5.28 years
- Perihelion
- 2.204 AU
- Aphelion
- 3.862 AU
- Longitude of ascending node
- 342.64°
- Argument of periapsis
- 8.33°
- Epoch · J2000
- JD 2456509.79116 (perihelion)
Visual & observation
- Spectral type
- ETc
Sources
- orbital elements: JPL SBDB (comets)