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

Lunar occultation of Jupiter

Dominic Ford, Editor
From the Lunar Occultations feed

Objects: Jupiter

The Moon will pass in front of Jupiter, creating a lunar occultation visible from Southeast Asia, Oceania and southern China. Although the occultation will only be visible across part of the world – because the Moon is so close to the Earth that its position in the sky varies by as much as two degrees across the world – a close conjunction between the pair will be more widely visible.

Unfortunately the occultation will not be visible from Fairfield.

The map below shows the visibility of the occultation across the world. Separate contours show where the disappearance of Jupiter is visible (shown in red), and where its reappearance is visible (shown in blue). Solid contours show where each event is likely to be visible through binoculars at a reasonable altitude in the sky. Dotted contours indicate where each event occurs above the horizon, but may not be visible due to the sky being too bright or the Moon being very close to the horizon.

Map showing where the occultation is visible

Outside the contours, the Moon will not pass in front of Jupiter at any time, or is below the horizon at the time of the occultation. However, a close conjunction between the pair will be visible across much of the world.

The map can be downloaded in PNG , PDF or SVG format. A KMZ file , is also available, which can be opened in Google Earth to provide a higher resolution map.

The animation below shows the path of the occultation across the Earth's globe. The red circle shows where the Moon appears in front of Jupiter.

You can download this video in MP4 or OGG format.

A complete list of the countries and territories where the occultation will be visible is as follows:

Country Time span
(UTC)
Indonesia 01:08–03:00
Papua New Guinea 01:35–03:48
Philippines 01:07–02:24
Australia 01:54–03:06
Malaysia 01:07–02:17
Vietnam 01:07–02:06
Cambodia 01:12–02:04
China 01:16–01:55
Solomon Islands 02:09–04:27
Fiji 03:21–05:07
New Caledonia 02:53–04:35
Laos 01:12–02:01
French Polynesia 04:31–05:36
Vanuatu 02:47–04:39
East Timor 01:37–02:23
Kiribati 02:59–04:22
Brunei 01:07–02:13
Samoa 03:46–05:09
Tonga 03:44–05:13
Federated States of Micronesia 01:41–03:21
Guam 01:35–02:39
American Samoa 03:52–05:11
Northern Mariana Islands 01:38–02:36
Marshall Islands 02:55–03:32
Cook Islands 04:15–05:29
Niue 03:54–05:19
Palau 01:17–02:36
Tuvalu 03:18–04:44
Wallis and Futuna 03:35–05:02
Paracel Islands 01:12–01:59
Nauru 02:31–04:01
New Zealand 03:53–05:05
Norfolk Island 03:45–04:19
Spratly Islands 01:07–02:09
Tokelau 03:51–04:52

Lunar occultations are only ever visible from a small fraction of the Earth's surface. Since the Moon is much closer to the Earth than other celestial objects, its exact position in the sky differs depending on your exact location on Earth due to its large parallax. The position of the Moon as seen from two points on opposite sides of the Earth varies by up to two degrees, or four times the diameter of the full moon.

This means that if the Moon is aligned to pass in front of a particular object for an observer on one side of the Earth, it will appear up to two degrees away from that object on the other side of the Earth.

The position of Jupiter at the moment of the occultation will be as follows:

Object Right Ascension Declination Constellation Magnitude Angular Size
Jupiter 11h35m10s 3°53'N Leo -1.7 0'31"

The coordinates above are given in J2000.0.

Next/previous occultations

« Previous Next »
Visible from the Contiguous United States Worldwide Worldwide Visible from the Contiguous United States
07 Dec 2004 09 Jul 2016 Occultations of Jupiter 28 Nov 2019 17 May 2023
29 Jul 2016 04 Aug 2016 Occultations 19 Aug 2016 19 Oct 2016

The sky on 5 Aug 2016

The sky on 5 August 2016
Sunrise
05:50
Sunset
20:04
Twilight ends
21:53
Twilight begins
04:00

3-day old moon
Waxing Crescent

14%

3 days old

Planets
Rise Culm. Set
Mercury 08:01 14:34 21:06
Venus 07:14 14:03 20:53
Moon 08:43 15:12 21:33
Mars 15:09 19:45 00:21
Jupiter 09:12 15:28 21:45
Saturn 15:37 20:25 01:14
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.

Related news

09 May 2016  –  Jupiter ends retrograde motion
06 Feb 2017  –  Jupiter enters retrograde motion
07 Apr 2017  –  Jupiter at opposition
09 Jun 2017  –  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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