Close approach of the Moon and Saturn

Dominic Ford, Editor
From the Appulses feed

Tags: Appulse

The Moon and Saturn will make a close approach, passing within 2°56' of each other. The Moon will be 12 days old.

From South El Monte , the pair will be visible in the evening sky, becoming accessible around 19:01 (PST), 22° above your south-eastern horizon, as dusk fades to darkness. They will then reach their highest point in the sky at 22:42, 46° above your southern horizon. They will continue to be observable until around 03:22, when they sink below 11° above your western horizon.

The Moon will be at mag -12.5; and Saturn will be at mag 0.6. Both objects will lie in the constellation Aquarius.

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 Saturn 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 23h02m00s 11°41'S Aquarius -12.5 29'50"6
Saturn 22h57m20s 8°59'S Aquarius 0.6 18"8

The coordinates above are given in J2000.0. The pair will be at an angular separation of 147° from the Sun, which is in Virgo at this time of year.

The sky on 24 Dec 2025

The sky on 24 December 2025
Sunrise
06:53
Sunset
16:47
Twilight ends
18:17
Twilight begins
05:23


Waxing Crescent

23%

4 days old

Planets
Rise Culm. Set
Mercury 05:46 10:43 15:41
Venus 06:42 11:37 16:31
Moon 10:16 15:42 21:16
Mars 07:15 12:07 17:00
Jupiter 18:08 01:14 08:20
Saturn 11:31 17:23 23:15
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.

Related news

06 Sep 1965  –  Saturn at opposition
13 Nov 1965  –  Saturn ends retrograde motion
02 Apr 1966  –  Saturn ring plane crossing
15 Jun 1966  –  Equinox on Saturn

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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