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The Moon at aphelion

Dominic Ford, Editor
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The sky at

The Moon's monthly orbit around the Earth will carry it to its furthest point from the Sun – its aphelion – at a distance of 1.0156 AU from the Sun.

This happens at around the time when the Moon's orbit carries it around the far side of the Earth as seen from the Sun, at around the same time that it passes full moon.

At the moment of the Moon's perihelion, the Earth will lie at a distance of 1.0133 AU from the Sun, and the Moon will lie at a distance of 1.0157 AU from the Sun.

This distance between the Earth and Moon will be 0.0024 AU (360,000 km).

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

Object Right Ascension Declination Constellation Angular Size
The Moon 17h40m30s -24°45' Ophiuchus 33'09"
Sun (centre) 04h18m +21°22' Taurus 31'34"

The coordinates above are given in J2000.0.

The sky on 27 May 2021
Sunrise
05:24
Sunset
20:13
Twilight ends
22:14
Twilight begins
03:23

16-day old moon
Waning Gibbous

97%

16 days old

Planets
Rise Culm. Set
Mercury 06:30 14:05 21:41
Venus 06:23 13:58 21:33
Moon 22:13 01:34 06:11
Mars 08:29 16:00 23:32
Jupiter 01:24 06:45 12:06
Saturn 00:36 05:35 10:35
All times shown in EDT.

Source

The circumstances of this event were computed using the DE405 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

26 May 2021  –  Full Moon
02 Jun 2021  –  Moon at Last Quarter
10 Jun 2021  –  New Moon
17 Jun 2021  –  Moon at First Quarter

Image credit

None available.

Fairfield

Latitude:
Longitude:
Timezone:

41.14°N
73.26°W
EDT

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