Comet
Blanpain
289P/Blanpain
Where is it now
- Distance from Sun
- 4.247 AU
- True anomaly
- 154.72°
- 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
- 3.045 AU
- Eccentricity
- 0.6851
- Inclination
- 5.9°
- Orbital period
- 5.31 years
- Perihelion
- 0.959 AU
- Aphelion
- 5.132 AU
- Longitude of ascending node
- 68.92°
- Argument of periapsis
- 9.85°
- Epoch · J2000
- JD 2458838.49143 (perihelion)
Visual & observation
- Absolute magnitude (H)
- 22
- Spectral type
- JFc
Sources
- orbital elements: JPL SBDB (comets)