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

Lunar occultation of Uranus

Dominic Ford, Editor
From the Lunar Occultations feed

Objects: Uranus

The Moon will pass in front of Uranus, creating a lunar occultation visible from Russia, Asia, Europe and Northern Africa. 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 Uranus 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 Uranus 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 Uranus.

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)
Russia 16:36–19:26
Kazakhstan 16:52–18:47
Egypt 15:53–17:15
Turkey 16:13–17:48
Sweden 16:50–18:04
Ukraine 16:30–18:00
Norway 16:57–18:12
Saudi Arabia 16:07–17:19
Finland 17:00–18:10
China 18:17–19:22
Iran 16:34–17:47
Iraq 16:19–17:37
Poland 16:36–17:48
Mongolia 18:18–19:11
Turkmenistan 16:54–18:02
Germany 16:32–17:37
Svalbard 17:31–18:19
Uzbekistan 17:03–18:11
Belarus 16:42–17:58
Romania 16:25–17:43
Sudan 15:54–16:48
Syria 16:14–17:36
Libya 15:54–17:11
Greece 16:08–17:31
Bulgaria 16:20–17:37
Hungary 16:28–17:38
Serbia 16:20–17:32
Latvia 16:52–17:56
Czechia 16:34–17:36
Azerbaijan 16:37–17:53
Lithuania 16:47–17:53
Italy 16:12–17:26
Austria 16:30–17:32
Jordan 16:09–17:23
Georgia 16:35–17:52
Estonia 16:56–18:00
Denmark 16:49–17:40
Croatia 16:21–17:30
Slovakia 16:33–17:39
Bosnia and Herzegovina 16:22–17:29
Moldova 16:31–17:45
Armenia 16:36–17:49
Macedonia 16:18–17:28
Albania 16:16–17:26
Slovenia 16:27–17:29
Israel 16:09–17:21
Greenland 17:50–17:59
Montenegro 16:20–17:27
Cyprus 16:13–17:26
Kuwait 16:41–17:06
Lebanon 16:14–17:25
Palestinian Territory 16:11–17:19
Aland Islands 17:00–17:53
RAF Akrotiri 16:14–17:24
Svalbard and Jan Mayen 17:38–18:08

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 Uranus at the moment of the occultation will be as follows:

Object Right Ascension Declination Constellation Magnitude Angular Size
Uranus 02h52m40s 16°08'N Aries 5.7 0'03"

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
12 Oct 2022 08 Nov 2022 Occultations of Uranus 01 Jan 2023 29 Sep 2029
12 Oct 2022 26 Nov 2022 Occultations 08 Dec 2022 08 Dec 2022

The sky on 5 Dec 2022

The sky on 5 December 2022
Sunrise
07:00
Sunset
16:23
Twilight ends
18:02
Twilight begins
05:21

12-day old moon
Waxing Gibbous

96%

12 days old

Planets
Rise Culm. Set
Mercury 08:21 12:45 17:09
Venus 07:56 12:29 17:01
Moon 14:47 22:04 05:32
Mars 16:15 23:54 07:34
Jupiter 12:54 18:51 00:48
Saturn 11:20 16:25 21:30
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.

Related news

09 Nov 2022  –  Uranus at opposition
22 Jan 2023  –  Uranus ends retrograde motion
28 Aug 2023  –  Uranus enters retrograde motion
13 Nov 2023  –  Uranus 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.

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