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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 0.9857 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 0.9833 AU from the Sun, and the Moon will lie at a distance of 0.9857 AU from the Sun.

This distance between the Earth and Moon will be 0.0024 AU (356,000 km).

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

Object Right Ascension Declination Constellation Angular Size
The Moon 06h47m00s +20°04' Gemini 33'29"
Sun (centre) 18h49m -22°57' Sagittarius 32'31"

The coordinates above are given in J2000.0.

The sky on 01 January 2018
Sunrise
07:28
Sunset
16:56
Twilight ends
18:32
Twilight begins
05:52

14-day old moon
Waxing Gibbous

99%

14 days old

Planets
Rise Culm. Set
Mercury 05:44 10:35 15:25
Venus 07:24 12:04 16:45
Moon 17:06 00:18 06:24
Mars 03:01 08:13 13:25
Jupiter 03:13 08:23 13:33
Saturn 06:45 11:30 16:14
All times shown in EST.

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 Dec 2017  –  Moon at First Quarter
01 Jan 2018  –  Full Moon
08 Jan 2018  –  Moon at Last Quarter
16 Jan 2018  –  New Moon

Image credit

None available.

Ashburn

Latitude:
Longitude:
Timezone:

39.04°N
77.49°W
EST

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