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The Moon at perihelion

Dominic Ford, Editor
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Ashburn
The sky at

The Moon's monthly orbit around the Earth will carry it to its closest point to the Sun – its perihelion – at a distance of 1.0037 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 1.0058 AU from the Sun, and the Moon will lie at a distance of 1.0033 AU from the Sun.

This distance between the Earth and Moon will be 0.0025 AU (369,000 km).

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

Object Right Ascension Declination Constellation Angular Size
The Moon 00h11m00s -01°37' Pisces 32'18"
Sun (centre) 02h06m +12°49' Aries 31'48"

The coordinates above are given in J2000.0.

The sky on 24 April 2017
Sunrise
06:19
Sunset
19:54
Twilight ends
21:33
Twilight begins
04:40

27-day old moon
Waning Crescent

7%

27 days old

Planets
Rise Culm. Set
Mercury 05:59 12:38 19:17
Venus 04:40 10:48 16:56
Moon 05:30 11:35 17:39
Mars 07:40 14:57 22:13
Jupiter 18:10 23:57 05:48
Saturn 23:57 04:47 09:34
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

19 Apr 2017, 05:58 EDT  –  Moon at Last Quarter
26 Apr 2017, 08:17 EDT  –  New Moon
02 May 2017, 22:48 EDT  –  Moon at First Quarter
10 May 2017, 17:44 EDT  –  Full Moon

Image credit

None available.

Ashburn

Latitude:
Longitude:
Timezone:

39.04°N
77.49°W
EDT

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