Close approach of Venus and Mercury

Dominic Ford, Editor
From the Appulses feed

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The planets Venus and Mercury will make a close approach, passing within a mere 16.4 arcminutes of each other.

From South El Monte however, the pair will not be observable – they will reach their highest point in the sky during daytime and will be no higher than 9° above the horizon at dusk.

Venus will be at mag -4.3; and Mercury will be at mag 0.9. Both objects will lie in the constellation Gemini.

They will be close enough to fit within the field of view of a telescope, but will also be visible to the naked eye or through a pair of binoculars.

At around the same time, the pair will also share the same right ascension – called a conjunction.

A graph of the angular separation between Venus and Mercury around the time of closest approach is available here.

The positions of the pair at the moment of closest approach will be as follows:

Object Right Ascension Declination Constellation Magnitude Angular Size
Venus 07h33m10s 21°28'N Gemini -4.3 50"6
Mercury 07h33m20s 21°44'N Gemini 0.9 9"1

The coordinates above are given in J2000.0. The pair will be at an angular separation of 23° from the Sun, which is in Taurus at this time of year.

The sky on 27 Jul 2026

The sky on 27 July 2026
Sunrise
05:57
Sunset
19:56
Twilight ends
21:34
Twilight begins
04:19


Waxing Gibbous

96%

13 days old

Planets
Rise Culm. Set
Mercury 04:43 11:40 18:38
Venus 09:35 15:50 22:05
Moon 19:09 23:57 04:50
Mars 02:36 09:46 16:56
Jupiter 06:04 13:02 20:00
Saturn 23:16 05:28 11:40
All times shown in PDT.

Source

The circumstances of this event were computed using the DE440 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.

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Image credit

The Moon in conjunction with Venus and Jupiter, with the Very Large Telescope in the foreground. Image © Y. Beletsky, ESO, 2009.

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