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Close approach of the Moon and Jupiter

Dominic Ford, Editor
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The sky at

The Moon and Jupiter will make a close approach, passing within 1°35' of each other. The Moon will be 8 days old.

From Seattle, the pair will be visible in the evening sky, becoming accessible around 19:22 (PDT) as the dusk sky fades, 18° above your southern horizon. They will then reach its highest point in the sky at 20:08, 19° above your southern horizon. They will continue to be observable until around 23:16, when they sink below 8° above your south-western horizon.

Begin typing the name of a town near to you, and then select the town from the list of options which appear below.

The Moon will be at mag -12.1; and Jupiter will be at mag -2.4. Both objects will lie in the constellation Sagittarius.

They will be too widely separated to fit within the field of view of a telescope, but will be visible to the naked eye or through a pair of binoculars.

At around the same time, the pair will also share the same right ascension – called a conjunction.

A graph of the angular separation between the Moon and Jupiter around the time of closest approach is available here.

The positions of the pair at the moment of closest approach will be as follows:

Object Right Ascension Declination Constellation Magnitude Angular Size
The Moon 19h15m50s -24°19' Sagittarius -12.1 31'03"2
Jupiter 19h15m30s -22°44' Sagittarius -2.4 40"3

The coordinates above are given in J2000.0. The pair will be at an angular separation of 104° from the Sun, which is in Virgo at this time of year.

The sky on 24 September 2020
Sunrise
06:59
Sunset
19:02
Twilight ends
20:46
Twilight begins
05:15

7-day old moon
Waxing Gibbous

62%

7 days old

Planets
Rise Culm. Set
Mercury 09:22 14:30 19:38
Venus 03:15 10:25 17:35
Moon 15:54 19:58 00:03
Mars 20:02 02:39 09:11
Jupiter 15:53 20:08 00:26
Saturn 16:18 20:41 01:07
All times shown in PDT.

Source

The circumstances of this event were computed using the DE405 planetary ephemeris published by the Jet Propulsion Laboratory (JPL).

This event was automatically generated by searching the ephemeris for planetary alignments which are of interest to amateur astronomers, and the text above was generated based on an estimate of your location.

Related news

14 Jul 2020  –  Jupiter at opposition
28 Jan 2021  –  Jupiter at solar conjunction
19 Aug 2021  –  Jupiter at opposition
05 Mar 2022  –  Jupiter at solar conjunction

Image credit

None available.

Seattle

Latitude:
Longitude:
Timezone:

47.61°N
122.33°W
PDT

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