The Moon and Saturn will share the same right ascension, with the Moon passing 4°27' to the south of Saturn. 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 South El Monte , the pair will be visible in the dawn sky, rising at 01:21 (PDT) and reaching an altitude of 36° above the south-eastern horizon before fading from view as dawn breaks at around 05:09.
The Moon will be at mag -12.1, and Saturn at mag 0.6, both in the constellation Capricornus.
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 Saturn 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 | 21h49m40s | 18°44'S | Capricornus | -12.1 | 31'57"6 |
| Saturn | 21h49m40s | 14°16'S | Capricornus | 0.6 | 17"0 |
The coordinates above are given in J2000.0. The pair will be at an angular separation of 97° from the Sun, which is in Taurus at this time of year.
The sky on 21 May 2022
| The sky on 21 May 2022 | ||||||||||||||||||||||||||||||||||
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50% 21 days old |
All times shown in PDT.
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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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Image credit
The Moon in conjunction with Venus and Jupiter, with the Very Large Telescope in the foreground. Image © Y. Beletsky, ESO, 2009.