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The Moon at perihelion

Sun, 22 Oct 2017 at15:25 EDT(88 days ago)
19:25 UTC

Dominic Ford, Editor
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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 0.9928 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 0.9950 AU from the Sun, and the Moon will lie at a distance of 0.9924 AU from the Sun.

This distance between the Earth and Moon will be 0.0027 AU (402,000 km).

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

Object Right Ascension Declination Constellation Angular Size
The Moon 16h09m50s -16°01' Scorpius 29'40"
Sun (centre) 13h49m -11°14' Virgo 32'08"

The coordinates above are given in J2000.0.

The sky on 22 October 2017
Sunrise 07:25
Sunset 18:20
Twilight ends
19:50
Twilight begins
05:56

3-day old moon
Age of Moon
3 days

All times shown in EDT.
Rise Culm. Set
Mercury 08:14 13:28 18:42
Venus 05:49 11:44 17:38
Moon 10:03 15:13 20:23
Mars 04:58 11:05 17:12
Jupiter 07:41 13:06 18:32
Saturn 11:50 16:36 21:21

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

19 Oct 2017, 15:13 EDT  –  New Moon
27 Oct 2017, 18:23 EDT  –  Moon at First Quarter
04 Nov 2017, 01:24 EDT  –  Full Moon
10 Nov 2017, 15:38 EST  –  Moon at Last Quarter

Image credit

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Latitude:
Longitude:
Timezone:

39.04°N
77.49°W
EST

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