The comet 289P/Blanpain

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From Ashburn , 289P/Blanpain is visible in the dawn sky, rising at 23:27 (EDT) – 6 hours and 36 minutes before the Sun – and reaching an altitude of 39° above the southern horizon before fading from view as dawn breaks around 04:46.

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Name 289P/Blanpain
Object Type Comet
Current Position
Magnitude:13.88 (V)[1]
Right Ascension:23h44m [1]
Declination:-11°40' [1]
Distance:1.33 AU
11.03 lightmin [1]
Derived Quantities
Absolute Mag (V):44.84
Orbital Elements[1]
Semi-major axis:3.05 AU
Longitude ascending node:68.93°
Argument of perihelion:9.84°
Epoch of elements:14 May 2019
Mean Anomaly at epoch:319.02°
Derived quantities
Perihelion:0.96 AU
Aphelion:5.13 AU
Orbital period:5.31 years
21 Dec 2019  –  289P/Blanpain at perihelion
10 Jan 2020  –  289P/Blanpain reaches its brightest
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 289P/Blanpain are available, however, and consequently the magnitude estimates shown here may be unreliable.




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