Simulated image courtesy of Tom Ruen.

The Moon at perihelion

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 closest point to the Sun – its perihelion – at a distance of 1.0008 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 1.0030 AU from the Sun, and the Moon will lie at a distance of 1.0008 AU from the Sun.

This distance between the Earth and Moon will be 0.0027 AU (404,000 km).

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

Object Right Ascension Declination Constellation Angular Size
The Moon 14h09m10s 17°12'S Virgo 29'31"
Sun (centre) 12h06m 0°41'S Virgo 31'53"

The coordinates above are given in J2000.0.

The sky on 24 Sep 2025

The sky on 24 September 2025
Sunrise
06:56
Sunset
19:03
Twilight ends
20:32
Twilight begins
05:27

3-day old moon
Waxing Crescent

11%

3 days old

Planets
Rise Culm. Set
Mercury 07:42 13:34 19:25
Venus 04:50 11:27 18:04
Moon 09:41 14:58 20:07
Mars 09:27 14:50 20:14
Jupiter 01:08 08:27 15:46
Saturn 19:00 00:53 06:45
All times shown in EDT.

Source

The circumstances of this event were computed using the DE430 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

21 Sep 2025  –  New Moon
29 Sep 2025  –  Moon at First Quarter
06 Oct 2025  –  Full Moon
13 Oct 2025  –  Moon at Last Quarter

Image credit

Simulated image courtesy of Tom Ruen.

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