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

Conjunction of Venus and Jupiter

Dominic Ford, Editor
From the Conjunctions feed

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Venus and Jupiter will share the same right ascension, with Venus passing 0°34' to the south of Jupiter.

At around the same time, the two objects will also make a close approach, technically called an appulse.

From Ashburn, the pair will be difficult to observe as they will appear no higher than 14° above the horizon. They will be visible in the dawn sky, rising at 04:27 (EDT) – 1 hour and 39 minutes before the Sun – and reaching an altitude of 14° above the eastern horizon before fading from view as dawn breaks at around 05:46.

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Venus will be at mag -4.0, and Jupiter at mag -2.1, both in the constellation Cetus.

The pair will be a little too widely separated to fit comfortably within the field of view of a telescope, but will be visible to the naked eye or through a pair of binoculars.

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

The positions of the two objects at the moment of conjunction will be as follows:

Object Right Ascension Declination Constellation Magnitude Angular Size
Venus 00h26m50s +01°07' Cetus -4.0 15"1
Jupiter 00h26m50s +01°42' Cetus -2.1 33"8

The coordinates above are given in J2000.0. The pair will be at an angular separation of 40° from the Sun, which is in Aries at this time of year.

The sky on 25 March 2019
Twilight ends
Twilight begins

19-day old moon
Waning Gibbous


19 days old

Rise Culm. Set
Mercury 06:16 12:05 17:55
Venus 05:40 11:01 16:22
Moon 23:50 04:59 10:08
Mars 09:19 16:32 23:44
Jupiter 01:47 06:32 11:16
Saturn 03:34 08:22 13:10
All times shown in EDT.


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.

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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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