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 0.9982 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 1.0005 AU from the Sun, and the Moon will lie at a distance of 0.9979 AU from the Sun.

This distance between the Earth and Moon will be 0.0026 AU (396,000 km).

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

Object Right Ascension Declination Constellation Angular Size
The Moon 22h59m00s -03°41' Aquarius 30'08"
Sun (centre) 00h56m +06°04' Pisces 31'58"

The coordinates above are given in J2000.0.

The sky on 19 April 2021
Sunrise
06:52
Sunset
20:16
Twilight ends
21:48
Twilight begins
05:20

7-day old moon
Waxing Crescent

43%

7 days old

Planets
Rise Culm. Set
Mercury 06:55 13:31 20:07
Venus 07:16 13:57 20:39
Moon 12:03 19:41 02:32
Mars 10:05 17:30 00:56
Jupiter 04:16 09:37 14:59
Saturn 03:36 08:43 13:50
All times shown in MDT.

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 Apr 1959  –  The Moon at perihelion
07 Apr 1959  –  New Moon
10 Apr 1959  –  The Moon at apogee
16 Apr 1959  –  Moon at First Quarter

Image credit

Simulated image courtesy of Tom Ruen.

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37.13°N
113.51°W
MDT

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