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 Mars

Dominic Ford, Editor
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The sky at

The Moon and Mars will make a close approach, passing within 2°24' of each other. The Moon will be 27 days old.

From Ashburn however, the pair will not be observable – they will reach their highest point in the sky during daytime and will be no higher than 12° above the horizon at dawn.

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The Moon will be at mag -10.3; and Mars will be at mag 1.4. 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 Mars 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 18h14m10s 26°15'S Sagittarius -10.3 32'56"3
Mars 18h14m40s 23°51'S Sagittarius 1.4 4"2

The coordinates above are given in J2000.0. The pair will be at an angular separation of 36° from the Sun, which is in Capricornus at this time of year.

The sky on 29 Jan 2022

The sky on 29 January 2022
Sunrise
07:17
Sunset
17:26
Twilight ends
18:59
Twilight begins
05:44

27-day old moon
Waning Crescent

6%

27 days old

Planets
Rise Culm. Set
Mercury 06:20 11:24 16:27
Venus 05:10 10:19 15:27
Moon 05:09 09:48 14:25
Mars 05:10 09:49 14:29
Jupiter 08:38 14:07 19:37
Saturn 07:39 12:44 17:49
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

13 Nov 2020  –  Mars ends retrograde motion
30 Oct 2022  –  Mars enters retrograde motion
30 Nov 2022  –  Mars at perigee
08 Dec 2022  –  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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Ashburn

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Longitude:
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39.04°N
77.49°W
EDT

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