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The Moon at aphelion

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 furthest point from the Sun – its aphelion – at a distance of 0.9897 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 0.9873 AU from the Sun, and the Moon will lie at a distance of 0.9899 AU from the Sun.

This distance between the Earth and Moon will be 0.0026 AU (385,000 km).

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

Object Right Ascension Declination Constellation Angular Size
The Moon 11h18m40s +05°56' Leo 30'56"
Sun (centre) 21h46m -13°27' Capricornus 32'23"

The coordinates above are given in J2000.0.

The sky on 12 February 2017
Twilight ends
Twilight begins

15-day old moon
Waning Gibbous


15 days old

Rise Culm. Set
Mercury 06:15 11:05 15:54
Venus 08:16 14:39 21:02
Moon 19:34 01:06 07:40
Mars 08:46 15:04 21:22
Jupiter 22:09 03:50 09:27
Saturn 03:22 08:03 12:43
All times shown in EST.


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

12 Feb 2017  –  The Moon at aphelion
18 Feb 2017  –  Moon at Last Quarter
18 Feb 2017  –  The Moon at apogee
24 Feb 2017  –  The Moon at perihelion

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