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The Moon at perihelion

Thu, 26 Jan 2017 at12:07 EST(360 days ago)
17:07 UTC

Dominic Ford, Editor
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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 0.9822 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 0.9847 AU from the Sun, and the Moon will lie at a distance of 0.9821 AU from the Sun.

This distance between the Earth and Moon will be 0.0026 AU (394,000 km).

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

Object Right Ascension Declination Constellation Angular Size
The Moon 19h31m00s -18°16' Sagittarius 30'17"
Sun (centre) 20h36m -18°35' Capricornus 32'29"

The coordinates above are given in J2000.0.

The sky on 26 January 2017
Sunrise 07:20
Sunset 17:22
Twilight ends
18:55
Twilight begins
05:47

28-day old moon
Age of Moon
28 days

All times shown in EST.
Rise Culm. Set
Mercury 05:59 10:44 15:28
Venus 09:20 15:17 21:15
Moon 06:13 11:14 16:14
Mars 09:40 15:40 21:40
Jupiter 23:30 05:12 10:50
Saturn 04:32 09:19 14:05

Warning

Never attempt to point a pair of binoculars or a telescope at an object close to the Sun. Doing so may result in immediate and permanent blindness.

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 Jan 2017, 17:15 EST  –  Moon at Last Quarter
27 Jan 2017, 19:08 EST  –  New Moon
03 Feb 2017, 23:20 EST  –  Moon at First Quarter
10 Feb 2017, 19:34 EST  –  Full Moon

Image credit

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Latitude:
Longitude:
Timezone:

39.04°N
77.49°W
EST

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