Comet
Catalina
300P/Catalina
Where is it now
- Distance from Sun
- 3.617 AU
- True anomaly
- 207.99°
- 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
- 2.699 AU
- Eccentricity
- 0.6916
- Inclination
- 5.68°
- Orbital period
- 4.43 years
- Perihelion
- 0.832 AU
- Aphelion
- 4.566 AU
- Longitude of ascending node
- 95.69°
- Argument of periapsis
- 222.87°
- Epoch · J2000
- JD 2458424.54193 (perihelion)
Visual & observation
- Absolute magnitude (H)
- 16.8
- Spectral type
- JFc
Sources
- orbital elements: JPL SBDB (comets)