Comet
Giacobini
205P/Giacobini-A
Where is it now
- Distance from Sun
- 4.903 AU
- True anomaly
- 205.89°
- 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
- 3.539 AU
- Eccentricity
- 0.5687
- Inclination
- 15.3°
- Orbital period
- 6.66 years
- Perihelion
- 1.526 AU
- Aphelion
- 5.552 AU
- Longitude of ascending node
- 179.63°
- Argument of periapsis
- 154.22°
- Epoch · J2000
- JD 2454719.54290 (perihelion)
Visual & observation
- Absolute magnitude (H)
- 12
- Spectral type
- JFc
Sources
- orbital elements: JPL SBDB (comets)