Pons-Gambart
273P/Pons-Gambart
Where is it now
- Distance from Sun
- 28.141 AU
- True anomaly
- 165.24°
- As of
- 17 September 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.
In the sky
- Right ascension
- 09h 16m 13s
- Declination
- +12° 02′ 35″
- Constellation
- Cancer
- Distance from Earth
- 28.93 AU
- Elongation from the Sun
- 37.98° — near the Sun — look low at dusk or dawn
Visible from both hemispheres.
From your location
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Two-body approximation, good to about a degree for the planets — enough to find the constellation and know whether it is up.
Orbital elements
- Semi-major axis
- 32.832 AU
- Eccentricity
- 0.9753
- Inclination
- 136.4°
- Orbital period
- 188.1 years
- Perihelion
- 0.81 AU
- Aphelion
- 64.855 AU
- Longitude of ascending node
- 320.43°
- Argument of periapsis
- 20.19°
- Epoch · J2000
- 2456369.5
- Orbit class · HTC
- Halley-type comet
- Earth MOID · 66.9 LD
- 0.1718 AU
- Tisserand (Jupiter)
- -0.645
Orbit quality
Orbit reasonably well determined (uncertainty code 3).
- Observations used
- 1,140
- Data arc
- 186.8 years
- First observed
- 21 June 1827
- Last observed
- 4 April 2014
- Residual RMS
- 0.54 ″
- Solution · Otto Matic
- 15 April 2021
Visual & observation
- Absolute magnitude (H)
- 11.3
- Total magnitude M₁ · K₁ 8.8
- 11.3
Discovery & classification
Also known as 273P
Sources
- orbital elements: JPL SBDB