Conjunction of the Moon and Mars

Dominic Ford, Editor
From the Conjunctions feed


The Moon and Mars will share the same right ascension, with the Moon passing 20' to the south of Mars. The Moon will be 11 days old.

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

From Los Angeles , the pair will be visible in the evening sky, becoming accessible around 19:09 (PDT), 22° above your south-eastern horizon, as dusk fades to darkness. They will then reach their highest point in the sky at 21:35, 31° above your southern horizon. They will continue to be observable until around 01:39, when they sink below 7° above your south-western horizon.

The Moon will be at mag -12.3, and Mars at mag -1.8, both in the constellation Capricornus.

The pair will be close enough to fit within the field of view of a telescope, but will also be visible to the naked eye or through a pair of binoculars.

A graph of the angular separation between the Moon and Mars 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 20h29m50s 24°17'S Capricornus -12.3 29'47"1
Mars 20h29m50s 23°57'S Capricornus -1.8 18"7

The coordinates above are given in J2000.0. The pair will be at an angular separation of 129° from the Sun, which is in Leo at this time of year.

The sky on 3 Jul 2024

The sky on 3 July 2024
Sunrise
05:43
Sunset
20:07
Twilight ends
21:51
Twilight begins
03:59


Waning Crescent

2%

27 days old

Planets
Rise Culm. Set
Mercury 07:16 14:21 21:25
Venus 06:20 13:30 20:40
Moon 03:18 10:54 18:35
Mars 02:17 09:05 15:54
Jupiter 03:28 10:31 17:34
Saturn 23:41 05:27 11:13
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.

Related news

31 Aug 2097  –  Mars ends retrograde motion
13 Sep 2099  –  Mars enters retrograde motion
10 Oct 2099  –  Mars at perigee
18 Oct 2099  –  Mars 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.

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