| Start: | Thu, 27 Dec 2040 at 19:56 EST (00:56 UTC) |
| End: | Fri, 28 Dec 2040 at 00:22 EST (05:22 UTC) |
5,877 days away
Dominic Ford, Editor
From
the Lunar Occultations
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The Moon will pass in front of Saturn, creating a lunar occultation visible from Africa, Southern and Western Asia and Europe. 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 Saturn 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.
Outside the contours, the Moon will not pass in front of Saturn 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 Saturn.
A complete list of the countries and territories where the occultation will be visible is as follows:
| Country | Time span (UTC) |
| Saudi Arabia | 01:09–03:07 |
| Libya | 00:57–02:12 |
| Iran | 01:25–02:55 |
| Algeria | 00:56–01:59 |
| Sudan | 01:13–02:38 |
| Egypt | 01:02–02:31 |
| Turkey | 01:04–02:19 |
| Ethiopia | 01:32–03:10 |
| Somalia | 01:43–03:18 |
| Iraq | 01:14–02:37 |
| Yemen | 01:29–03:22 |
| Chad | 01:09–02:04 |
| Italy | 00:57–02:03 |
| Romania | 01:09–02:02 |
| Ukraine | 01:18–02:00 |
| Oman | 01:39–03:14 |
| Germany | 01:08–01:56 |
| Niger | 01:10–01:53 |
| Poland | 01:19–01:52 |
| Syria | 01:10–02:23 |
| Greece | 01:00–02:12 |
| Tunisia | 00:56–02:00 |
| Bulgaria | 01:05–02:05 |
| France | 01:00–01:58 |
| Hungary | 01:09–01:58 |
| Serbia | 01:04–02:03 |
| Eritrea | 01:25–02:52 |
| Czechia | 01:12–01:54 |
| Austria | 01:07–01:57 |
| Jordan | 01:09–02:27 |
| Pakistan | 02:03–02:55 |
| Croatia | 01:03–02:01 |
| United Arab Emirates | 01:34–03:01 |
| Georgia | 01:32–02:05 |
| Slovakia | 01:13–01:55 |
| Bosnia and Herzegovina | 01:04–02:01 |
| Azerbaijan | 01:35–02:12 |
| Switzerland | 01:04–01:57 |
| Russia | 01:34–01:59 |
| Moldova | 01:18–01:59 |
| Armenia | 01:33–02:12 |
| Macedonia | 01:03–02:04 |
| Albania | 01:01–02:04 |
| Slovenia | 01:06–01:58 |
| Israel | 01:08–02:24 |
| Djibouti | 01:40–02:54 |
| Montenegro | 01:03–02:02 |
| Kuwait | 01:25–02:40 |
| Qatar | 01:32–02:52 |
| Cyprus | 01:07–02:17 |
| Corsica | 00:59–01:59 |
| Lebanon | 01:09–02:21 |
| Mallorca | 00:58–01:57 |
| Palestinian Territory | 01:08–02:23 |
| Afghanistan | 02:14–02:30 |
| Menorca | 00:58–01:58 |
| Bahrain | 01:31–02:48 |
| Spain | 01:01–01:57 |
| Malta | 00:57–02:02 |
| RAF Akrotiri | 01:07–02:17 |
| Vatican | 01:01–02:00 |
| Kenya | 02:24–02:33 |
| Liechtenstein | 01:07–01:56 |
| Monaco | 01:01–01:58 |
| San Marino | 01:03–01:59 |
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 Saturn at the moment of the occultation will be as follows:
| Object | Right Ascension | Declination | Constellation | Magnitude | Angular Size |
| Saturn | 13h27m50s | 6°37'S | Virgo | 0.5 | 0'16" |
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 | |
| 30 Nov 2040 | 30 Nov 2040 | Occultations of Saturn | 24 Jan 2041 | 30 May 2048 |
| 14 Dec 2040 | 14 Dec 2040 | Occultations | 10 Jan 2041 | 27 Jan 2041 |
The sky on 24 Nov 2024
| The sky on 24 November 2024 | ||||||||||||||||||||||||||||||||||
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27% 23 days old |
All times shown in EST.
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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
| 06 Jun 2040 | – Saturn ends retrograde motion |
| 01 Feb 2041 | – Saturn enters retrograde motion |
| 10 Apr 2041 | – Saturn at opposition |
| 19 Jun 2041 | – Saturn 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.