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C/2017 T2 (PANSTARRS) at perihelion

Dominic Ford, Editor
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Comet C/2017 T2 (PANSTARRS) will make its closest approach to the Sun, at a distance of 1.61 AU.

From Cambridge, it will be very well placed – it will be close enough to the north celestial pole that it will be high above the horizon all night.

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Based on the absolute magnitude published for this comet by the British Astronomical Association's Comet Section, we estimate that it may be around mag 9 at perihelion.

This comet is not expected to be visible to the naked eye, but might be visible through bird-watching binoculars. The brightnesses of comets are often highly unpredictable, since it is impossible to predict with certainty how they will respond as they are heated by the Sun as they move into the inner solar system. Magnitude estimates should be assumed to be highly provisional more than a few weeks in advance.

The path of the comet, on the other hand, can reliably be predicted. The chart below shows the path of C/2017 T2 (PANSTARRS) over the course of its apparition. It was produced using StarCharter and is available for download, either on dark background, in PNG, PDF or SVG formats, or on a light background, in PNG, PDF or SVG formats.

Alternatively, you can create a textual listing of the comet's position using's ephemeris generator.

The position of comet C/2017 T2 (PANSTARRS) at perihelion will be:

Object Right Ascension Declination Constellation Magnitude
Comet C/2017 T2 (PANSTARRS) 06h55m30s +76°37' Camelopardalis 8.8

The coordinates are given in J2000.0.

The sky on 04 May 2020
Twilight ends
Twilight begins

11-day old moon
Waxing Gibbous


11 days old

Rise Culm. Set
Mercury 05:36 12:40 19:43
Venus 07:10 15:08 23:07
Moon 16:37 22:43 04:18
Mars 02:35 07:40 12:46
Jupiter 01:08 05:50 10:31
Saturn 01:23 06:10 10:56
All times shown in EDT.


This event was automatically generated on the basis of orbital elements published by the Minor Planet Center (MPC) , and is updated whenever new elements become available. It was last updated on 27 Feb 2020.

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