The comet 1P/Halley

Image of 1P/Halley
© NASA/W.Liller 1986
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From Fairfield , 1P/Halley is visible in the dawn sky, rising at 01:18 (EDT) and reaching an altitude of 46° above the south-eastern horizon before fading from view as dawn breaks around 06:05.

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Name 1P/Halley
Object Type Comet
Current Position
Magnitude:25.57 (V) [1]
Absolute mag (H):5.50 [1]
Slope parameter (n):3.20 [1]
Right ascension:08h29m [1]
Declination:+01°57' [1]
Distance:35.09 AU
291.80 lightmin [1]
Orbital Elements [1]
Semi-major axis:17.87 AU
Longitude ascending node:58.01°
Argument of perihelion:110.95°
Epoch of elements:14 May 2019
Mean Anomaly at epoch:158.94°
Derived quantities
Perihelion:0.60 AU
Aphelion:35.13 AU
Orbital period:75.51 years
Additional sources

The Minor Planet Center's magnitude estimates are updated rather rarely, and so we prefer to estimate the brightness of comets on the basis of amateur observations. No amateur observations of 1P/Halley are available, however, and consequently the magnitude estimates shown here may be unreliable.




Color scheme