Harrington is a comet in the Comet orbit class. Its orbit takes it from 2.06 AU to 6,415.84 AU from the Sun; one orbit takes 181,782.9 years. Orbit from the JPL solution of 15 April 2021.
Where is it now
- Distance from Sun
- 95.663 AU
- True anomaly
- 163.24°
- Distance from Earth
- 95.697 AU
- As of
- 25 October 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 39m 14s
- Declination
- +29° 14′ 33″
- Constellation
- Cancer
- Distance from Earth
- 95.69 AU
- Elongation from the Sun
- 88.24° — well clear of the Sun
Favours the northern hemisphere; low or below the horizon from far south.
From your location
See how high it is right now, whether it is up after civil twilight, and when it rises and sets where you are.
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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
- 3,208.952 AU
- Eccentricity
- 0.9994
- Inclination
- 136.64°
- Orbital period
- 181,782.9 years
- Perihelion
- 2.061 AU
- Aphelion
- 6,415.844 AU
- Longitude of ascending node
- 292.73°
- Argument of periapsis
- 1.42°
- Epoch · J2000
- 2434948.5
- Orbit class · COM
- Comet
- Earth MOID · 406.5 LD
- 1.0446 AU
- Tisserand (Jupiter)
- -1.292
Orbit quality
- Observations used
- 9
- Data arc
- 67 days
- First observed
- 25 June 1954
- Last observed
- 31 August 1954
- Residual RMS
- 0.58 ″
- Solution · Otto Matic
- 15 April 2021
Discovery & classification
Also known as 1954 M1
Sources
- orbital elements: JPL SBDB