Mars and 134340 Pluto will share the same right ascension, with Mars passing 9°08' to the south of 134340 Pluto.
From Fairfield , the pair will be visible in the dawn sky, rising at 02:09 (EDT) and reaching an altitude of 29° above the south-eastern horizon before fading from view as dawn breaks at around 05:38.
Mars will be at mag 1.1 in the constellation Ophiuchus, and 134340 Pluto at mag 14.6 in the neighbouring constellation of Serpens Cauda.
A graph of the angular separation between Mars and 134340 Pluto 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 | 17h18m10s | 22°56'S | Ophiuchus | 1.1 | 5"7 |
| 134340 Pluto | 17h18m10s | 13°47'S | Serpens Cauda | 14.6 | 0"0 |
The coordinates above are given in J2000.0. The pair will be at an angular separation of 68° from the Sun, which is in Aquarius at this time of year.
The sky on 13 May 2025
| The sky on 13 May 2025 | ||||||||||||||||||||||||||||||||||
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99% 16 days 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.
Related news
| 07 Jun 2002 | – 134340 Pluto at opposition |
| 09 Jun 2003 | – 134340 Pluto at opposition |
| 11 Jun 2004 | – 134340 Pluto at opposition |
| 14 Jun 2005 | – 134340 Pluto 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.