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Conjunction of the Moon and Mars

Dominic Ford, Editor
From the Conjunctions feed

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The sky at

The Moon and Mars will share the same right ascension, with the Moon passing 1°23' to the north of Mars. The Moon will be 5 days old.

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

From Fairfield, the pair will become visible around 20:37 (EDT) as the dusk sky fades, 45° above your western horizon. They will then sink towards the horizon, setting at 00:51.

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 -11.4, and Mars at mag 1.3, both in the constellation Leo.

The pair 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.

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 09h35m10s +17°16' Leo -11.4 30'55"2
Mars 09h35m10s +15°53' Leo 1.3 5"5

The coordinates above are given in J2000.0. The pair will be at an angular separation of 69° from the Sun, which is in Taurus at this time of year.

The sky on 01 June 2025
Twilight ends
Twilight begins

5-day old moon
Waxing Crescent


5 days old

Rise Culm. Set
Mercury 05:31 13:03 20:36
Venus 03:19 09:49 16:19
Moon 11:14 18:11 00:41
Mars 10:47 17:48 00:51
Jupiter 06:31 14:02 21:34
Saturn 02:20 08:17 14:13
All times shown in EDT.


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

16 Apr 2025  –  Mars at aphelion
30 Nov 2025  –  Mars at apogee
09 Jan 2026  –  Mars at solar conjunction
26 Mar 2026  –  Mars at perihelion

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