Comet
Catalina
499P/Catalina
Where is it now
- Distance from Sun
- 4.402 AU
- True anomaly
- 158.32°
- 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
- 3.015 AU
- Eccentricity
- 0.6914
- Inclination
- 24.59°
- Orbital period
- 5.24 years
- Perihelion
- 0.931 AU
- Aphelion
- 5.1 AU
- Longitude of ascending node
- 139.33°
- Argument of periapsis
- 2.56°
- Epoch · J2000
- JD 2460738.91324 (perihelion)
Visual & observation
- Absolute magnitude (H)
- 19.6
- Spectral type
- JFc
Sources
- orbital elements: JPL SBDB (comets)