The Moon and Mars will share the same right ascension, with the Moon passing 4°25' to the north of Mars. The Moon will be 22 days old.
At around the same time, the two objects will also make a close approach, technically called an appulse.
From Columbus , the pair will be visible in the morning sky, becoming accessible around 03:28, when they reach an altitude of 10° above your south-eastern horizon. They will then reach their highest point in the sky at 06:57, 27° above your southern horizon. They will be lost to dawn twilight around 06:58, 27° above your southern horizon.
The Moon will be at mag -12.1, and Mars at mag 0.2, both in the constellation Ophiuchus.
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 | 17h30m30s | 18°35'S | Ophiuchus | -12.1 | 30'50"1 |
| Mars | 17h30m30s | 23°01'S | Ophiuchus | 0.2 | 8"8 |
The coordinates above are given in J2000.0. The pair will be at an angular separation of 99° from the Sun, which is in Pisces at this time of year.
The sky on 23 Mar 2033
| The sky on 23 March 2033 | ||||||||||||||||||||||||||||||||||
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53% 22 days old |
All times shown in EDT.
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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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| 26 May 2033 | – Mars enters retrograde motion |
| 27 Jun 2033 | – Mars at opposition |
| 05 Jul 2033 | – 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.