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°50' to the north 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 San Diego , the pair will be visible in the morning sky, becoming accessible around 23:36, when they reach an altitude of 7° above your eastern horizon. They will then reach their highest point in the sky at 05:56, 79° above your southern horizon. They will be lost to dawn twilight around 06:20, 78° above your south-western horizon.

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The Moon will be at mag -12.1, and Jupiter at mag -2.5, both in the constellation Taurus.

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 05h19m10s 28°13'N Taurus -12.1 31'32"3
Jupiter 05h19m10s 22°23'N Taurus -2.5 40"4

The coordinates above are given in J2000.0. The pair will be at an angular separation of 100° from the Sun, which is in Virgo at this time of year.

The sky on 23 Sep 2024

The sky on 23 September 2024
Sunrise
06:35
Sunset
18:43
Twilight ends
20:05
Twilight begins
05:12

20-day old moon
Waning Gibbous

53%

20 days old

Planets
Rise Culm. Set
Mercury 06:08 12:20 18:32
Venus 08:56 14:29 20:01
Moon 21:54 05:28 13:07
Mars 00:15 07:23 14:30
Jupiter 22:52 05:56 13:00
Saturn 17:58 23:40 05:22
All times shown in PDT.

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.

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08 Oct 2024  –  Jupiter enters retrograde motion
07 Dec 2024  –  Jupiter at opposition
04 Feb 2025  –  Jupiter ends retrograde motion

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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San Diego

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Longitude:
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32.72°N
117.16°W
PDT

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