Venus and 1 Ceres will share the same right ascension, with Venus passing 18' to the south of 1 Ceres.
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 14° above the horizon at dusk.
Venus will be at mag -4.3, and 1 Ceres at mag 9.2, both in the constellation Ophiuchus.
The pair will be close enough to fit within the field of view of a telescope, but will also be visible through a pair of binoculars.
A graph of the angular separation between Venus and 1 Ceres 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 | 17h37m50s | 26°34'S | Ophiuchus | -4.3 | 21"8 |
| 1 Ceres | 17h37m50s | 26°15'S | Ophiuchus | 9.2 | 0"0 |
The coordinates above are given in J2000.0. The pair will be at an angular separation of 46° from the Sun, which is in Libra at this time of year.
The sky on 15 Dec 2025
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12% 26 days old |
All times shown in PST.
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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.
Related news
| 29 May 1973 | – 1 Ceres at opposition |
| 29 Aug 1974 | – 1 Ceres at opposition |
| 28 Nov 1975 | – 1 Ceres at opposition |
| 22 Mar 1977 | – 1 Ceres at opposition |
Image credit
The Moon in conjunction with Venus and Jupiter, with the Very Large Telescope in the foreground. Image © Y. Beletsky, ESO, 2009.