Bradfield
C/1989 A3 (Bradfield)
Where is it now
- Distance from Sun
- 37.725 AU
- True anomaly
- 179.02°
- 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
- 01h 34m 21s
- Declination
- +24° 53′ 35″
- Constellation
- Pisces
- Distance from Earth
- 36.93 AU
- Elongation from the Sun
- 142.21° — well clear of the Sun
Favours the northern hemisphere; low or below the horizon from far south.
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
- 19.195 AU
- Eccentricity
- 0.9781
- Inclination
- 83.06°
- Orbital period
- 84.1 years
- Perihelion
- 0.421 AU
- Aphelion
- 37.97 AU
- Longitude of ascending node
- 28.44°
- Argument of periapsis
- 194.77°
- Epoch · J2000
- 2447551.5
- Orbit class · HTC
- Halley-type comet
- Earth MOID · 223.0 LD
- 0.5731 AU
- Tisserand (Jupiter)
- 0.368
Orbit quality
Orbit poorly determined (uncertainty code 7).
- Observations used
- 23
- Data arc
- 53 days
- First observed
- 7 January 1989
- Last observed
- 1 March 1989
- Residual RMS
- 0.99 ″
- Solution · Otto Matic
- 15 April 2021
Discovery & classification
Also known as 1989 A3
Sources
- orbital elements: JPL SBDB