The Moon and Mars will make a close approach, passing within 2°09' of each other. The Moon will be 25 days old.

From Cambridge , the pair will be difficult to observe as they will appear no higher than 14° above the horizon. They will be visible in the dawn sky, rising at 02:57 (EDT) – 2 hours and 9 minutes before the Sun – and reaching an altitude of 14° above the eastern horizon before fading from view as dawn breaks at around 04:18.

The Moon will be at mag -10.8; and Mars will be at mag 1.0. Both objects will lie in the constellation Pisces.

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:

The coordinates above are given in J2000.0. The pair will be at an angular separation of 47° from the Sun, which is in Taurus at this time of year.

The sky on 2 Jun 2024

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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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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