The Moon in conjunction with Venus and Jupiter, with the Very Large Telescope in the foreground. Image © Y. Beletsky, ESO, 2009.

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°20' of each other. The Moon will be 18 days old.

From Fairfield, the pair will be visible in the morning sky, becoming accessible around 21:27, when they reach an altitude of 7° above your eastern horizon. They will then reach their highest point in the sky at 03:04, 53° above your southern horizon. They will be lost to dawn twilight around 06:51, 27° above your western horizon.

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The Moon will be at mag -12.4; and Jupiter will be at mag -2.4. Both objects will lie in the constellation Leo.

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 11h32m30s +02°59' Leo -12.4 29'45"4
Jupiter 11h34m10s +04°16' Leo -2.4 41"1

The coordinates above are given in J2000.0. The pair will be at an angular separation of 134° from the Sun, which is in Capricornus at this time of year.

The sky on 27 January 2016
Sunrise
07:09
Sunset
17:02
Twilight ends
18:38
Twilight begins
05:33

17-day old moon
Waning Gibbous

85%

17 days old

Planets
Rise Culm. Set
Mercury 05:43 10:32 15:21
Venus 05:09 09:47 14:26
Moon 21:02 02:29 08:53
Mars 00:59 06:11 11:23
Jupiter 20:42 03:04 09:22
Saturn 03:32 08:18 13:04
All times shown in EST.

Source

The circumstances of this event were computed using the DE430 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

26 Aug 2015  –  Jupiter at solar conjunction
08 Mar 2016  –  Jupiter at opposition
26 Sep 2016  –  Jupiter at solar conjunction
17 Feb 2017  –  Jupiter at aphelion

Image credit

The Moon in conjunction with Venus and Jupiter, with the Very Large Telescope in the foreground. Image © Y. Beletsky, ESO, 2009.

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41.14°N
73.26°W
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