The Moon and Uranus will make a close approach, passing within 1°14' of each other. The Moon will be 15 days old.
From San Diego , the pair will be visible from soon after it rises, at 18:48, until soon before it sets at 08:15.
The Moon will be at mag -12.5; and Uranus will be at mag 5.7. Both objects will lie in the constellation Aries.
They will be too widely separated to fit within the field of view of a telescope, but will be visible through a pair of binoculars.
A graph of the angular separation between the Moon and Uranus 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 | 02h44m50s | 14°12'N | Aries | -12.5 | 29'40"0 |
| Uranus | 02h42m50s | 15°21'N | Aries | 5.7 | 3"7 |
The coordinates above are given in J2000.0. The pair will be at an angular separation of 165° from the Sun, which is in Virgo at this time of year.
The sky on 21 Oct 2021
| The sky on 21 October 2021 | ||||||||||||||||||||||||||||||||||
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96% 15 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.
Related news
| 31 Oct 2020 | – Uranus at opposition |
| 04 Nov 2021 | – Uranus at opposition |
| 09 Nov 2022 | – Uranus at opposition |
| 13 Nov 2023 | – Uranus at opposition |
Image credit
The Moon in conjunction with Venus and Jupiter, with the Very Large Telescope in the foreground. Image © Y. Beletsky, ESO, 2009.