None available.

C/2017 T2 (PANSTARRS) at perihelion

Dominic Ford, Editor
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The sky at

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

From Ashburn, 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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The chart below shows the path of C/2017 T2 (PANSTARRS) over the course of its apparition, as calculated from the orbital elements published by the Minor Planet Center (MPC).

The chart 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. It was produced using StarCharter.

Alternatively, you can create a textual listing of the comet's position using In-The-Sky.org's ephemeris generator.

Comets are intrinsically highly unpredictable objects, since their brightness depends on the scattering of sunlight from dust particles in the comet's coma and tail. This dust is continually streaming away from the comet's nucleus, and its density at any particular time is governed by the rate of sublimation of the ice in the comet's nucleus, as it is heated by the Sun's rays. It also depends on the amount of dust that is mixed in with that ice. This is very difficult to predict in advance, and can be highly variable even between successive apparitions of the same comet.

In consequence, while the future positions of comets are usually known with a high degree of confidence, their future brightnesses are not. For most comets, we do not publish any magnitude estimates at all. For the few comets where we do make estimates, we generally prefer the BAA's magnitude parameters to those published by the Minor Planet Center, since they are typically updated more often.

Based on the magnitude parameters published for this comet by the BAA Comet Section, we estimate that it may be around mag 9 at perihelion. This estimate is based on observations that the BAA has received from amateur astronomers, assuming that its current level of activity will remain constant.

This comet is not expected to be visible to the naked eye, but might be visible through bird-watching binoculars.

The comet's position at perihelion will be:

Object Right Ascension Declination Constellation Magnitude
Comet C/2017 T2 (PANSTARRS) 06h55m30s +76°37' Camelopardalis 8.7

The coordinates are given in J2000.0.

The sky on 04 May 2020
Sunrise
06:07
Sunset
20:05
Twilight ends
21:48
Twilight begins
04:24

11-day old moon
Waxing Gibbous

88%

11 days old

Planets
Rise Culm. Set
Mercury 06:09 13:06 20:02
Venus 07:49 15:34 23:19
Moon 17:07 23:09 04:41
Mars 02:54 08:06 13:18
Jupiter 01:24 06:15 11:06
Saturn 01:40 06:35 11:30
All times shown in EDT.

Source

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 30 May 2020.

Image credit

None available.

Ashburn

Latitude:
Longitude:
Timezone:

39.04°N
77.49°W
EDT

Color scheme