Comet
Siding Spring
162P/Siding Spring
Where is it now
- Distance from Sun
- 2.193 AU
- True anomaly
- 99.88°
- 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
- 3.053 AU
- Eccentricity
- 0.5961
- Inclination
- 27.82°
- Orbital period
- 5.34 years
- Perihelion
- 1.233 AU
- Aphelion
- 4.873 AU
- Longitude of ascending node
- 31.24°
- Argument of periapsis
- 356.33°
- Epoch · J2000
- JD 2455263.94015 (perihelion)
Visual & observation
- Absolute magnitude (H)
- 15.2
- Spectral type
- JFc
Sources
- orbital elements: JPL SBDB (comets)