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 5°20' of each other. The Moon will be 10 days old.

From South El Monte , the pair will be visible in the evening sky, becoming accessible around 19:54 (PST), 31° above your southern horizon, as dusk fades to darkness. They will then reach their highest point in the sky at 20:44, 32° above your southern horizon. They will continue to be observable until around 00:52, when they sink below 7° above your south-western horizon.

The Moon will be at mag -12.2; and Jupiter will be at mag -2.4. Both objects will lie in the constellation Ophiuchus.

They will be too widely separated to fit within the field of view of a telescope or pair of binoculars, but will be visible to the naked eye.

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 17h28m50s 28°23'S Ophiuchus -12.2 29'46"7
Jupiter 17h30m20s 23°03'S Ophiuchus -2.4 41"4

The coordinates above are given in J2000.0. The pair will be at an angular separation of 120° from the Sun, which is in Leo at this time of year.

The sky on 25 Dec 2025

The sky on 25 December 2025
Sunrise
06:53
Sunset
16:48
Twilight ends
18:18
Twilight begins
05:23


Waxing Crescent

36%

6 days old

Planets
Rise Culm. Set
Mercury 05:49 10:46 15:43
Venus 06:44 11:38 16:32
Moon 10:43 16:27 22:18
Mars 07:14 12:07 17:00
Jupiter 18:03 01:09 08:16
Saturn 11:27 17:19 23:12
All times shown in PST.

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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23 Jul 2044  –  Jupiter 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.

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