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 Sub-Saharan Africa and the Americas. 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 Cambridge.

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)
Angola 02:11–03:08
Namibia 02:12–03:13
Botswana 02:17–03:13
South Africa 02:17–03:13
Zambia 02:20–03:07
Venezuela 23:33–00:29
Guinea 01:14–02:16
Ivory Coast 01:36–02:25
Senegal 01:07–02:02
Democratic Republic of the Congo 02:21–02:54
Liberia 01:27–02:25
Brazil 00:35–02:05
Sierra Leone 01:20–02:19
Dominican Republic 23:17–00:26
Guinea-Bissau 01:11–02:06
Haiti 23:16–00:21
Zimbabwe 02:20–03:08
Guyana 00:02–00:29
Mali 01:31–01:57
Mauritania 01:14–01:45
French Guiana 00:23–00:44
Gambia 01:09–01:59
Puerto Rico 23:23–00:30
Ghana 01:58–02:16
Cape Verde 00:41–01:53
Republic of the Congo 02:22–02:40
Trinidad and Tobago 23:46–00:35
Colombia 23:30–00:14
Suriname 00:21–00:39
Bahamas 23:13–00:20
Guadeloupe 23:32–00:38
Saint Vincent and the Grenadines 23:40–00:36
Turks and Caicos Islands 23:16–00:23
Barbados 23:42–00:40
British Virgin Islands 23:26–00:32
Martinique 23:36–00:38
Curacao 23:33–00:18
Saint Kitts and Nevis 23:29–00:36
Saint Lucia 23:37–00:37
U.S. Virgin Islands 23:25–00:32
Antigua and Barbuda 23:30–00:38
Dominica 23:34–00:38
Gabon 02:25–02:34
Saint Helena 01:33–03:00
Anguilla 23:28–00:35
Bonaire, Saint Eustatius and Saba 23:28–00:35
Grenada 23:41–00:35
Bermuda 23:25–00:24
Cuba 23:15–00:18
Montserrat 23:31–00:36
Aruba 23:31–00:16
Sint Maarten 23:28–00:35
Saint Barthelemy 23:28–00:35
Saint Martin 23:28–00:35

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 09h44m10s 14°24'N Leo 5.4 0'04"

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
06 Jan 2045 02 Feb 2045 Occultations of Uranus 29 Mar 2045 06 Mar 2053
06 Jan 2045 25 Feb 2045 Occultations 09 Mar 2045 08 Sep 2045

The sky on 22 Nov 2024

The sky on 22 November 2024
Sunrise
06:41
Sunset
16:16
Twilight ends
17:55
Twilight begins
05:02

21-day old moon
Waning Gibbous

50%

21 days old

Planets
Rise Culm. Set
Mercury 08:36 12:57 17:19
Venus 10:09 14:31 18:53
Moon 22:03 05:23 12:29
Mars 20:40 04:06 11:33
Jupiter 17:14 00:45 08:16
Saturn 13:02 18:32 00:03
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

12 Feb 2045  –  Uranus at opposition
29 Apr 2045  –  Uranus ends retrograde motion
06 Dec 2045  –  Uranus enters retrograde motion
17 Feb 2046  –  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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