Close approach of the Moon and Jupiter

Dominic Ford, Editor
From the Appulses feed

Tags: Appulse

The Moon and Jupiter will make a close approach, passing within a mere 46.4 arcminutes of each other. From some parts of the world, the Moon will pass in front of Jupiter, creating a lunar occultation. The Moon will be 27 days old.

From Cambridge , the pair will be visible in the dawn sky, rising at 03:36 (EST) – 2 hours and 38 minutes before the Sun – and reaching an altitude of 24° above the eastern horizon before fading from view as dawn breaks at around 05:56.

The Moon will be at mag -9.8; and Jupiter will be at mag -1.8. Both objects will lie in the constellation Cancer.

They will be a little too widely separated to fit comfortably 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 Jupiter 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 09h11m20s 17°35'N Cancer -9.8 32'17"3
Jupiter 09h10m10s 16°52'N Cancer -1.8 31"4

The coordinates above are given in J2000.0. The pair will be at an angular separation of 30° from the Sun, which is in Leo at this time of year.

The sky on 8 Sep 2026

The sky on 8 September 2026
Sunrise
06:14
Sunset
19:06
Twilight ends
20:44
Twilight begins
04:36


Waning Crescent

4%

27 days old

Planets
Rise Culm. Set
Mercury 07:08 13:20 19:32
Venus 10:05 15:12 20:19
Moon 03:06 10:35 17:49
Mars 01:17 08:51 16:25
Jupiter 03:36 10:43 17:51
Saturn 20:13 02:26 08:39
All times shown in EDT.

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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