Mercury and 1 Ceres will share the same right ascension, with Mercury passing 6°42' to the south of 1 Ceres.
From South El Monte however, the pair will not be readily observable since they will be very close to the Sun, at a separation of only 21° from it.
Mercury will be at mag -0.8, and 1 Ceres at mag 8.6, both in the constellation Leo.
A graph of the angular separation between Mercury 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 |
| Mercury | 11h16m30s | 6°11'N | Leo | -0.8 | 6"5 |
| 1 Ceres | 11h16m30s | 12°54'N | Leo | 8.6 | 0"0 |
The coordinates above are given in J2000.0. The pair will be at an angular separation of 17° from the Sun, which is in Virgo at this time of year.
The sky on 12 Aug 2026
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All times shown in PDT.
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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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| 24 Oct 2177 | – 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.