Simulated image courtesy of Tom Ruen.

The Moon at perihelion

Dominic Ford, Editor
From the Moon feed

Objects: The Moon
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The Moon's monthly orbit around the Earth will carry it to its closest point to the Sun – its perihelion – at a distance of 0.9928 AU from the Sun.

This happens at around the time when the Moon's orbit carries it between the Sun and the Earth, at around the same time that it passes new moon.

At the moment of the Moon's perihelion, the Earth will lie at a distance of 0.9951 AU from the Sun, and the Moon will lie at a distance of 0.9924 AU from the Sun.

This distance between the Earth and Moon will be 0.0026 AU (395,000 km).

The exact positions of the Sun and Moon in the sky will be:

Object Right Ascension Declination Constellation Angular Size
The Moon 22h04m10s 14°35'S Aquarius 30'12"
Sun (centre) 23h49m -01°09' Pisces 32'08"

The coordinates above are given in J2000.0.

The sky on 12 May 2021
Sunrise
05:38
Sunset
20:02
Twilight ends
21:54
Twilight begins
03:42

1-day old moon
Waxing Crescent

1%

1 day old

Planets
Rise Culm. Set
Mercury 06:36 14:15 21:54
Venus 06:16 13:38 21:01
Moon 06:07 13:32 21:02
Mars 08:45 16:22 23:58
Jupiter 02:22 07:41 13:00
Saturn 01:36 06:36 11:35
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

14 Mar 2118  –  Moon at Last Quarter
22 Mar 2118  –  New Moon
30 Mar 2118  –  Moon at First Quarter
06 Apr 2118  –  Full Moon

Image credit

Simulated image courtesy of Tom Ruen.

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Longitude:
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41.14°N
73.26°W
EDT

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