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 1.0120 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 1.0146 AU from the Sun, and the Moon will lie at a distance of 1.0119 AU from the Sun.

This distance between the Earth and Moon will be 0.0027 AU (404,000 km).

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

Object Right Ascension Declination Constellation Angular Size
The Moon 09h55m00s 14°36'N Leo 29'29"
Sun (centre) 08h56m +17°17' Cancer 31'31"

The coordinates above are given in J2000.0.

The sky on 06 May 2021
Sunrise
05:30
Sunset
19:50
Twilight ends
21:42
Twilight begins
03:38

24-day old moon
Waning Crescent

17%

24 days old

Planets
Rise Culm. Set
Mercury 06:19 13:54 21:29
Venus 06:06 13:24 20:42
Moon 03:41 09:10 14:52
Mars 08:37 16:20 00:03
Jupiter 02:38 07:54 13:10
Saturn 01:53 06:49 11:46
All times shown in EDT.

Warning

Never attempt to point a pair of binoculars or a telescope at an object close to the Sun. Doing so may result in immediate and permanent blindness.

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

05 Aug 2111  –  The Moon at perihelion
12 Aug 2111  –  Moon at First Quarter
17 Aug 2111  –  The Moon at aphelion
18 Aug 2111  –  The Moon at perigee

Image credit

Simulated image courtesy of Tom Ruen.

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Longitude:
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42.38°N
71.11°W
EDT

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