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 countries and territories including Peru, Colombia, Ecuador and southern Mexico amongst others. 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)
Peru 09:00–11:03
Colombia 09:06–10:44
Ecuador 08:30–10:41
Mexico 08:08–09:10
Panama 08:59–09:53
Costa Rica 08:53–09:45
Nicaragua 08:56–09:29
Guatemala 08:42–09:14
El Salvador 08:49–09:16
Brazil 09:25–10:59
Honduras 09:04–09:11
Clipperton Island 08:00–09:11

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 12h17m10s 1°03'S Virgo 5.4 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
06 Jan 2045 14 Dec 2052 Occultations of Uranus 06 Feb 2053 06 Mar 2053
02 Jan 2053 02 Jan 2053 Occultations 29 Jan 2053 26 Feb 2053

The sky on 20 May 2024

The sky on 20 May 2024
Sunrise
05:27
Sunset
20:09
Twilight ends
22:07
Twilight begins
03:30

12-day old moon
Waxing Gibbous

95%

12 days old

Planets
Rise Culm. Set
Mercury 04:35 11:17 17:59
Venus 05:20 12:32 19:43
Moon 17:26 22:52 04:08
Mars 03:35 09:55 16:15
Jupiter 05:29 12:43 19:56
Saturn 02:36 08:16 13:56
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

08 Jan 2053  –  Uranus enters retrograde motion
23 Mar 2053  –  Uranus at opposition
07 Jun 2053  –  Uranus ends retrograde motion
13 Jan 2054  –  Uranus enters 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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