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 31.2 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 26 days old.

From Cambridge , the pair will be visible in the dawn sky, rising at 04:03 (EDT) – 1 hour and 24 minutes before the Sun – and reaching an altitude of 10° above the south-eastern horizon before fading from view as dawn breaks at around 05:10.

The Moon will be at mag -10.5; and Jupiter will be at mag -2.1. Both objects will lie in the constellation Aquarius.

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 22h17m50s 11°59'S Aquarius -10.5 33'00"9
Jupiter 22h17m10s 11°29'S Aquarius -2.1 33"5

The coordinates above are given in J2000.0. The pair will be at an angular separation of 40° from the Sun, which is in Pisces at this time of year.

The sky on 17 Jul 2024

The sky on 17 July 2024
Sunrise
05:20
Sunset
20:17
Twilight ends
22:22
Twilight begins
03:14


Waxing Gibbous

84%

12 days old

Planets
Rise Culm. Set
Mercury 07:39 14:36 21:32
Venus 06:19 13:39 20:59
Moon 17:18 21:41 01:58
Mars 01:26 08:42 15:58
Jupiter 02:12 09:40 17:08
Saturn 22:43 04:23 10:03
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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02 Jul 1962  –  Jupiter enters retrograde motion
31 Aug 1962  –  Jupiter at opposition
29 Oct 1962  –  Jupiter ends retrograde motion

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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