Comet
Machholz
141P/Machholz 2-D
Where is it now
- Distance from Sun
- 2.84 AU
- True anomaly
- 135.77°
- 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
- 3.009 AU
- Eccentricity
- 0.7511
- Inclination
- 12.81°
- Orbital period
- 5.22 years
- Perihelion
- 0.749 AU
- Aphelion
- 5.269 AU
- Longitude of ascending node
- 246.14°
- Argument of periapsis
- 149.29°
- Epoch · J2000
- JD 2451522.45313 (perihelion)
Visual & observation
- Absolute magnitude (H)
- 12.5
- Spectral type
- JFc
Sources
- orbital elements: JPL SBDB (comets)