Mars and Mercury will share the same right ascension, with Mars passing 3°57' to the south of Mercury.
From Cambridge however, the pair will not be readily observable since they will be very close to the Sun, at a separation of only 14° from it.
Mars will be at mag 1.2, and Mercury at mag 2.7, both in the constellation Aquarius.
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 Mars and Mercury 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 |
| Mars | 22h43m20s | 9°15'S | Aquarius | 1.2 | 4"0 |
| Mercury | 22h43m20s | 5°18'S | Aquarius | 2.7 | 10"6 |
The coordinates above are given in J2000.0. The pair will be at an angular separation of 14° from the Sun, which is in Pisces at this time of year.
The sky on 14 Mar 2026
| The sky on 14 March 2026 | ||||||||||||||||||||||||||||||||||
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19% 25 days old |
All times shown in EDT.
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Warning
Never attempt to point a pair of binoculars or a telescope at an object close to the Sun. Doing so may result in immediate and permanent blindness.
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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| 19 Feb 2027 | – Mars at perigee |
Image credit
The Moon in conjunction with Venus and Jupiter, with the Very Large Telescope in the foreground. Image © Y. Beletsky, ESO, 2009.