Close approach of the Moon and Mars

Dominic Ford, Editor
From the Appulses feed

Tags: Appulse

The Moon and Mars will make a close approach, passing within 1°43' of each other. The Moon will be 20 days old.

From South El Monte , the pair will be visible in the morning sky, becoming accessible around 00:56, when they reach an altitude of 9° above your south-eastern horizon. They will then reach their highest point in the sky at 05:00, 33° above your southern horizon. They will be lost to dawn twilight around 06:11, 31° above your southern horizon.

The Moon will be at mag -12.4; and Mars will be at mag -0.4. Both objects will lie in the constellation Ophiuchus.

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 16h58m00s 23°55'S Ophiuchus -12.4 32'35"0
Mars 16h58m10s 22°12'S Ophiuchus -0.4 11"2

The coordinates above are given in J2000.0. The pair will be at an angular separation of 117° from the Sun, which is in Pisces at this time of year.

The sky on 19 Mar 2026

The sky on 19 March 2026
Sunrise
06:55
Sunset
19:02
Twilight ends
20:26
Twilight begins
05:31


Waxing Crescent

2%

1 day old

Planets
Rise Culm. Set
Mercury 05:57 11:40 17:23
Venus 07:45 14:03 20:21
Moon 07:12 13:32 20:02
Mars 06:20 12:02 17:44
Jupiter 12:56 20:06 03:15
Saturn 07:18 13:19 19:20
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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11 Jun 2048  –  Mars at perigee

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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