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 1.0042 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 1.0065 AU from the Sun, and the Moon will lie at a distance of 1.0039 AU from the Sun.

This distance between the Earth and Moon will be 0.0026 AU (395,000 km).

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

Object Right Ascension Declination Constellation Angular Size
The Moon 00h29m20s +05°45' Pisces 30'13"
Sun (centre) 02h17m +13°43' Aries 31'46"

The coordinates above are given in J2000.0.

The sky on 07 March 2021
Sunrise
06:33
Sunset
18:08
Twilight ends
19:37
Twilight begins
05:04

24-day old moon
Waning Crescent

29%

24 days old

Planets
Rise Culm. Set
Mercury 05:27 10:38 15:49
Venus 06:29 12:05 17:41
Moon 02:59 07:33 12:07
Mars 09:46 17:05 00:26
Jupiter 05:21 10:30 15:39
Saturn 04:54 09:54 14:54
All times shown in EST.

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

27 Apr 1995  –  The Moon at perihelion
29 Apr 1995  –  New Moon
02 May 1995  –  The Moon at apogee
07 May 1995  –  Moon at First Quarter

Image credit

Simulated image courtesy of Tom Ruen.

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