Lunar occultation of Mars

Dominic Ford, Editor
From the Lunar Occultations feed


Objects: Mars

The Moon will pass in front of Mars, creating a lunar occultation visible from countries and territories including the Contiguous United States, eastern Canada, Cuba and 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.

The occultation will be visible from Fairfield. It will begin with the disappearance of Mars behind the Moon at 02:03 EST in the eastern sky at an altitude of 20.3 degrees. Its reappearance will be visible at 03:17 EST at an altitude of 33.1 degrees.

The map below shows the visibility of the occultation across the world. Separate contours show where the disappearance of Mars 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 Mars 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 Mars.

[Unable to display this video because your browser does not support HTML5]
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)
The Contiguous United States 06:54–08:18
Canada 06:59–08:18
Cuba 07:19–08:01
Mexico 07:00–07:50
Dominican Republic 07:35–08:18
Bahamas 07:07–08:12
Haiti 07:34–08:07
Puerto Rico 07:38–08:28
Guadeloupe 07:48–08:42
French Guiana 08:46–09:12
Turks and Caicos Islands 07:25–08:16
Barbados 08:04–08:45
British Virgin Islands 07:39–08:33
Martinique 07:56–08:41
Saint Kitts and Nevis 07:44–08:39
Saint Lucia 08:00–08:39
Saint Vincent and the Grenadines 08:08–08:34
U.S. Virgin Islands 07:39–08:31
Antigua and Barbuda 07:42–08:42
Dominica 07:52–08:41
Anguilla 07:40–08:38
Saint Pierre and Miquelon 07:42–08:07
Bermuda 07:10–08:33
Montserrat 07:46–08:39
Sint Maarten 07:41–08:38
Saint Barthelemy 07:41–08:38
Saint Martin 07:40–08:38
Bonaire, Saint Eustatius and Saba 07:42–08:37

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 44% illuminated. Mars will disappear behind the illuminated side of the Moon and reappear from behind the unilluminated side of the Moon.

The position of Mars at the moment of the occultation will be as follows:

Object Right Ascension Declination Constellation Magnitude Angular Size
Mars 12h05m50s 1°37'N Virgo 1.0 0'06"

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
27 Feb 2059 10 Oct 2059 Occultations of Mars 01 May 2061 11 Feb 2062
29 Dec 2059 08 Dec 2060 Occultations 04 Jan 2061 17 Jan 2061

The sky on 22 Nov 2024

The sky on 22 November 2024
Sunrise
06:47
Sunset
16:28
Twilight ends
18:05
Twilight begins
05:10


Waning Crescent

47%

21 days old

Planets
Rise Culm. Set
Mercury 08:40 13:06 17:32
Venus 10:13 14:39 19:06
Moon 22:16 05:32 12:36
Mars 20:52 04:15 11:38
Jupiter 17:26 00:53 08:20
Saturn 13:09 18:41 00:13
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 Apr 2059  –  Mars ends retrograde motion
22 Feb 2061  –  Mars enters retrograde motion
02 Apr 2061  –  Mars at opposition
07 Apr 2061  –  Mars at perigee

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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