Close approach of Jupiter and Saturn

Dominic Ford, Editor
From the Appulses feed

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The planets Jupiter and Saturn will make a close approach, passing within 7°01' of each other.

From Fairfield , the pair will be visible in the evening sky, becoming accessible around 19:11 (EST), 69° above your south-eastern horizon, as dusk fades to darkness. They will then reach their highest point in the sky at 19:49, 71° above your southern horizon. They will continue to be observable until around 02:18, when they sink below 9° above your western horizon.

Jupiter will be at mag -2.4; and Saturn will be at mag -0.3. Both objects will lie in the constellation Gemini.

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.

A graph of the angular separation between Jupiter 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
Jupiter 07h27m50s 22°22'N Gemini -2.4 40"1
Saturn 06h57m30s 22°37'N Gemini -0.3 19"0

The coordinates above are given in J2000.0. The pair will be at an angular separation of 112° from the Sun, which is in Pisces at this time of year.

The sky on 4 Dec 2024

The sky on 4 December 2024
Sunrise
07:00
Sunset
16:23
Twilight ends
18:02
Twilight begins
05:21


Waxing Crescent

16%

3 days old

Planets
Rise Culm. Set
Mercury 07:14 11:56 16:38
Venus 10:17 14:53 19:29
Moon 10:26 14:47 19:14
Mars 20:10 03:33 10:57
Jupiter 16:29 23:56 07:22
Saturn 12:22 17:55 23:27
All times shown in EST.

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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