The Moon in conjunction with Venus and Jupiter, with the Very Large Telescope in the foreground. Image © Y. Beletsky, ESO, 2009.

Conjunction of the Moon and Saturn

Dominic Ford, Editor
From the Conjunctions feed

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The sky at

The Moon and Saturn will share the same right ascension, with the Moon passing 1°47' to the north of Saturn. The Moon will be 6 days old.

At around the same time, the two objects will also make a close approach, technically called an appulse.

From Ashburn, the pair will become visible at around 18:49 (EST) as the dusk sky fades, 26° above your southern horizon. They will then sink towards the horizon, setting 4 hours and 3 minutes after the Sun at 22:35.

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The Moon will be at mag -11.4, and Saturn at mag 0.3, both in the constellation Sagittarius.

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 18h15m00s -20°58' Sagittarius -11.4 29'53"1
Saturn 18h15m00s -22°46' Sagittarius 0.3 16"0

The coordinates above are given in J2000.0. The pair will be at an angular separation of 72° from the Sun, which is in Virgo at this time of year.

The sky on 14 October 2018
Sunrise
07:17
Sunset
18:32
Twilight ends
20:01
Twilight begins
05:48

5-day old moon
Waxing Crescent

34%

5 days old

Planets
Rise Culm. Set
Mercury 08:40 13:54 19:07
Venus 09:04 13:53 18:41
Moon 12:48 17:40 22:31
Mars 15:43 20:37 01:32
Jupiter 10:04 15:06 20:07
Saturn 13:07 17:51 22:35
All times shown in EDT.

Source

The circumstances of this event were computed using the DE405 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

27 Jun 2018, 09:15 EDT  –  Saturn at opposition
09 Jul 2019, 12:55 EDT  –  Saturn at opposition
20 Jul 2020, 18:15 EDT  –  Saturn at opposition
02 Aug 2021, 02:02 EDT  –  Saturn 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.

Ashburn

Latitude:
Longitude:
Timezone:

39.04°N
77.49°W
EST

Color scheme