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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 0.9881 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 0.9904 AU from the Sun, and the Moon will lie at a distance of 0.9877 AU from the Sun.

This distance between the Earth and Moon will be 0.0026 AU (393,000 km).

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

Object Right Ascension Declination Constellation Angular Size
The Moon 17h06m30s -19°29' Ophiuchus 30'21"
Sun (centre) 14h59m -17°02' Libra 32'17"

The coordinates above are given in J2000.0.

The sky on 09 November 2018
Sunrise
06:45
Sunset
17:00
Twilight ends
18:31
Twilight begins
05:13

2-day old moon
Waxing Crescent

6%

2 days old

Planets
Rise Culm. Set
Mercury 08:49 13:25 18:01
Venus 05:06 10:26 15:47
Moon 08:39 13:39 18:39
Mars 13:35 18:49 00:04
Jupiter 07:49 12:46 17:43
Saturn 10:33 15:17 20:01
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

07 Nov 2018, 11:03 EST  –  New Moon
15 Nov 2018, 09:56 EST  –  Moon at First Quarter
23 Nov 2018, 00:41 EST  –  Full Moon
29 Nov 2018, 19:20 EST  –  Moon at Last Quarter

Image credit

None available.

Ashburn

Latitude:
Longitude:
Timezone:

39.04°N
77.49°W
EST

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