Venus and Jupiter will share the same right ascension, with Venus passing 1°16' to the south of Jupiter.
At around the same time, the two objects will also make a close approach, technically called an appulse.
From Cambridge , the pair will be difficult to observe as they will appear no higher than 8° above the horizon. They will become visible at around 16:39 (EDT), 8° above your south-western horizon, as dusk fades to darkness. They will then sink towards the horizon, setting 1 hour and 21 minutes after the Sun at 17:41.
Venus will be at mag -3.9, and Jupiter at mag -1.8, both in the constellation Ophiuchus.
The pair will be too widely separated to fit 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 | 17h16m20s | 24°00'S | Ophiuchus | -3.9 | 10"9 |
| Jupiter | 17h16m20s | 22°44'S | Ophiuchus | -1.8 | 31"2 |
The coordinates above are given in J2000.0. The pair will be at an angular separation of 23° from the Sun, which is in Libra at this time of year.
The sky on 3 Oct 2024
| The sky on 3 October 2024 | ||||||||||||||||||||||||||||||||||
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2% 1 day old |
All times shown in EDT.
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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.
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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.