Venus and Neptune will share the same right ascension, with Venus passing 54' to the north of Neptune.
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 19° above the horizon at dawn.
Venus will be at mag -4.7, and Neptune at mag 8.0, both in the constellation Libra.
The pair will be a little too widely separated to fit comfortably within the field of view of a telescope, but will be visible through a pair of binoculars.
A graph of the angular separation between Venus and Neptune 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 | 14h52m30s | 13°48'S | Libra | -4.7 | 43"8 |
| Neptune | 14h52m30s | 14°42'S | Libra | 8.0 | 2"1 |
The coordinates above are given in J2000.0. The pair will be at an angular separation of 37° from the Sun, which is in Ophiuchus at this time of year.
The sky on 22 Oct 2025
| The sky on 22 October 2025 | ||||||||||||||||||||||||||||||||||
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3% 1 day old |
All times shown in PDT.
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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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| 23 Jul 1962 | – Neptune ends retrograde motion |
| 15 Feb 1963 | – Neptune enters retrograde motion |
| 05 May 1963 | – Neptune at opposition |
| 25 Jul 1963 | – Neptune ends retrograde motion |
Image credit
The Moon in conjunction with Venus and Jupiter, with the Very Large Telescope in the foreground. Image © Y. Beletsky, ESO, 2009.