Barnard
177P/Barnard
Where is it now
- Distance from Sun
- 32.702 AU
- True anomaly
- 168.07°
- 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
- 08h 52m 23s
- Declination
- -05° 41′ 04″
- Constellation
- Hydra
- Distance from Earth
- 33.43 AU
- Elongation from the Sun
- 43.43° — 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
- 24.305 AU
- Eccentricity
- 0.9544
- Inclination
- 31.22°
- Orbital period
- 119.8 years
- Perihelion
- 1.107 AU
- Aphelion
- 47.502 AU
- Longitude of ascending node
- 272.07°
- Argument of periapsis
- 60.45°
- Epoch · J2000
- 2453849.5
- Orbit class · HTC
- Halley-type comet
- Earth MOID · 120.7 LD
- 0.3102 AU
- Tisserand (Jupiter)
- 1.317
Orbit quality
Orbit very well determined (uncertainty code 0).
- Observations used
- 1,702
- Data arc
- 117.5 years
- First observed
- 24 June 1889
- Last observed
- 11 December 2006
- Residual RMS
- 0.83 ″
- Solution · Otto Matic
- 15 April 2021
Visual & observation
- Absolute magnitude (H)
- 15.7
- Total magnitude M₁ · K₁ 13
- 15.7
Discovery & classification
Also known as 177P
Sources
- orbital elements: JPL SBDB