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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 0°13' of each other. The Moon will be 15 days old.

From Seattle, the pair will be visible in the morning sky, becoming accessible around 17:26, when they rise to an altitude of 7° above your north-eastern horizon. They will then reach its highest point in the sky at 00:36, 67° above your southern horizon. They will be lost to dawn twilight around 07:33, 9° above your north-western horizon.

Begin typing the name of a town near to you, and then select the town from the list of options which appear below.

The Moon will be at mag -12.7; and Mars will be at mag -1.4. Both objects will lie in the constellation Gemini.

They 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.

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 07h58m20s +25°13' Gemini -12.7 31'14"4
Mars 07h58m10s +25°00' Gemini -1.4 14"5

The coordinates above are given in J2000.0. The pair will be at an angular separation of 174° from the Sun, which is in Sagittarius at this time of year.

The sky on 13 January 2025
Twilight ends
Twilight begins

14-day old moon
Waning Gibbous


14 days old

Rise Culm. Set
Mercury 07:00 11:09 15:17
Venus 09:56 15:25 20:54
Moon 16:37 00:44 08:10
Mars 16:24 00:37 08:44
Jupiter 13:28 21:15 05:07
Saturn 10:14 15:44 21:14
All times shown in PST.


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

12 Jan 2025  –  Mars at perigee
15 Jan 2025  –  Mars at opposition
16 Apr 2025  –  Mars at aphelion
30 Nov 2025  –  Mars at apogee

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