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The Moon at aphelion

Sat, 13 May 2017 at02:22 EDT(342 days ago)
06:22 UTC

Dominic Ford, Editor
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The Moon's monthly orbit around the Earth will carry it to its furthest point from the Sun – its aphelion – at a distance of 1.0129 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 1.0104 AU from the Sun, and the Moon will lie at a distance of 1.0131 AU from the Sun.

This distance between the Earth and Moon will be 0.0027 AU (406,000 km).

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

Object Right Ascension Declination Constellation Angular Size
The Moon 17h10m40s -18°12' Ophiuchus 29'24"
Sun (centre) 03h20m +18°22' Aries 31'39"

The coordinates above are given in J2000.0.

The sky on 13 May 2017
Sunrise
05:57
Sunset
20:12
Twilight ends
21:59
Twilight begins
04:10

17-day old moon
Waning Gibbous

95%

17 days old

Planets
Rise Culm. Set
Mercury 05:03 11:31 17:59
Venus 04:04 10:17 16:30
Moon 22:46 02:56 07:58
Mars 07:12 14:37 22:03
Jupiter 16:46 22:35 04:29
Saturn 22:38 03:29 08:16
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

10 May 2017, 17:44 EDT  –  Full Moon
18 May 2017, 20:34 EDT  –  Moon at Last Quarter
25 May 2017, 15:46 EDT  –  New Moon
01 Jun 2017, 08:43 EDT  –  Moon at First Quarter

Image credit

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39.04°N
77.49°W
EDT

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