| Start: | Mon, 08 Dec 2036 at 23:09 EST (04:09 UTC) |
| End: | Tue, 09 Dec 2036 at 02:45 EST (07:45 UTC) |
4,400 days away
Dominic Ford, Editor
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the Lunar Occultations
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The Moon will pass in front of Saturn, creating a lunar occultation visible from Northern America, Europe, western Russia, Northern Africa and Svalbard. 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.
The occultation will be visible from Cambridge. It will begin with the disappearance of Saturn behind the Moon at 23:20 EST in the eastern sky at an altitude of 13.7 degrees. Its reappearance will be visible at 23:37 EST at an altitude of 16.8 degrees.
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) |
| Canada | 04:09–05:37 |
| Greenland | 04:28–05:51 |
| Russia | 05:37–06:49 |
| Sweden | 05:23–06:35 |
| Algeria | 05:44–06:59 |
| Norway | 05:16–06:26 |
| France | 05:12–06:47 |
| Finland | 05:29–06:31 |
| Spain | 05:15–06:42 |
| Germany | 05:22–06:48 |
| The Contiguous United States | 04:09–04:55 |
| Poland | 05:32–06:52 |
| Italy | 05:31–07:06 |
| Great Britain | 05:01–06:29 |
| Svalbard | 05:21–06:00 |
| Belarus | 05:43–06:51 |
| Iceland | 04:48–06:00 |
| Ukraine | 05:46–06:56 |
| Tunisia | 05:50–07:03 |
| Morocco | 05:44–06:30 |
| Hungary | 05:41–06:57 |
| Romania | 05:48–07:02 |
| Ireland | 05:00–06:19 |
| Latvia | 05:37–06:41 |
| Czechia | 05:33–06:49 |
| Portugal | 05:19–06:23 |
| Lithuania | 05:38–06:44 |
| Austria | 05:32–06:52 |
| Serbia | 05:46–07:04 |
| Estonia | 05:36–06:37 |
| Denmark | 05:22–06:36 |
| Croatia | 05:40–07:00 |
| Slovakia | 05:40–06:53 |
| Bosnia and Herzegovina | 05:44–07:01 |
| Netherlands | 05:20–06:35 |
| Switzerland | 05:29–06:47 |
| Belgium | 05:19–06:37 |
| Slovenia | 05:39–06:53 |
| Northern Ireland | 05:03–06:18 |
| Montenegro | 05:50–07:03 |
| Corsica | 05:38–06:52 |
| Albania | 05:53–07:04 |
| Faroe Islands | 05:02–06:09 |
| Mallorca | 05:37–06:44 |
| Luxembourg | 05:24–06:38 |
| Shetland | 05:09–06:15 |
| Aland Islands | 05:33–06:29 |
| Orkney | 05:07–06:16 |
| Svalbard and Jan Mayen | 05:05–05:58 |
| Menorca | 05:37–06:46 |
| Isle of Man | 05:07–06:19 |
| Ibiza | 05:37–06:41 |
| Libya | 06:04–07:04 |
| Andorra | 05:29–06:39 |
| Malta | 05:59–07:06 |
| Saint Pierre and Miquelon | 04:21–05:00 |
| Jersey | 05:14–06:27 |
| Guernsey | 05:13–06:26 |
| Melilla | 05:46–06:27 |
| Gibraltar | 05:41–06:21 |
| Vatican | 05:44–06:55 |
| Liechtenstein | 05:32–06:44 |
| Monaco | 05:34–06:46 |
| San Marino | 05:41–06:52 |
| Isla de Alborán | 05:43–06:28 |
| Islas Chafarinas | 05:46–06:29 |
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.
At the time of the occultation, the Moon will be 0 days past new moon and will be 63% illuminated. Saturn will disappear behind the illuminated side of the Moon and reappear from behind the unilluminated side of the Moon.
The position of Saturn at the moment of the occultation will be as follows:
| Object | Right Ascension | Declination | Constellation | Magnitude | Angular Size |
| Saturn | 10h19m20s | 11°56'N | Leo | 0.3 | 0'18" |
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 | |
| 15 Oct 2036 | 11 Nov 2036 | Occultations of Saturn | 05 Jan 2037 | 05 Jan 2037 |
| 06 Nov 2036 | 03 Dec 2036 | Occultations | 30 Dec 2036 | 05 Jan 2037 |
The sky on 21 Nov 2024
| The sky on 21 November 2024 | ||||||||||||||||||||||||||||||||||
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60% 20 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
| 12 Apr 2036 | – Saturn ends retrograde motion |
| 12 Dec 2036 | – Saturn enters retrograde motion |
| 17 Feb 2037 | – Saturn at opposition |
| 27 Apr 2037 | – 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.