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

Conjunction of the Moon and Jupiter

Dominic Ford, Editor
From the Conjunctions feed

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The sky at

The Moon and Jupiter will share the same right ascension, with the Moon passing 5°05' to the south of Jupiter. The Moon will be 20 days old.

At around the same time, the two objects will also make a close approach, technically called an appulse.

From Ashburn, the pair will be visible in the morning sky, becoming accessible around 22:19, when they rise to an altitude of 7° above your eastern horizon. They will then reach its highest point in the sky at 04:29, 65° above your southern horizon. They will be lost to dawn twilight around 07:01, 49° above your south-western horizon.

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The Moon will be at mag -12.2, and Jupiter at mag -2.3, both in the constellation Leo.

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

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

The positions of the two objects at the moment of conjunction will be as follows:

Object Right Ascension Declination Constellation Magnitude Angular Size
The Moon 09h40m00s +09°41' Leo -12.2 29'32"9
Jupiter 09h40m00s +14°46' Leo -2.3 40"2

The coordinates above are given in J2000.0. The pair will be at an angular separation of 115° from the Sun, which is in Ophiuchus at this time of year.

The sky on 11 December 2014
Sunrise
07:17
Sunset
16:46
Twilight ends
18:22
Twilight begins
05:42

19-day old moon
Waning Gibbous

71%

19 days old

Planets
Rise Culm. Set
Mercury 07:33 12:09 16:46
Venus 08:15 12:53 17:31
Moon 22:04 03:53 10:37
Mars 10:25 15:19 20:12
Jupiter 21:33 04:29 11:22
Saturn 05:33 10:35 15:37
All times shown in EST.

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

05 Jan 2014  –  Jupiter at opposition
06 Feb 2015  –  Jupiter at opposition
08 Mar 2016  –  Jupiter at opposition
07 Apr 2017  –  Jupiter at opposition

Image credit

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

Ashburn

Latitude:
Longitude:
Timezone:

39.04°N
77.49°W
EDT

Color scheme