1 Ceres and 136199 Eris will share the same right ascension, with 1 Ceres passing 9°35' to the north of 136199 Eris.
From Fairfield , the pair will become visible at around 18:42 (EDT), 22° above your south-western horizon, as dusk fades to darkness. They will then sink towards the horizon, setting 3 hours and 18 minutes after the Sun at 20:55.
1 Ceres will be at mag 9.1 in the constellation Pisces, and 136199 Eris at mag 18.7 in the neighbouring constellation of Cetus.
A graph of the angular separation between 1 Ceres and 136199 Eris 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 |
| 1 Ceres | 01h34m00s | 3°24'N | Pisces | 9.1 | 0"0 |
| 136199 Eris | 01h34m00s | 6°10'S | Cetus | 18.7 | 0"0 |
The coordinates above are given in J2000.0. The pair will be at an angular separation of 48° from the Sun, which is in Aquarius at this time of year.
The sky on 1 Oct 2024
| The sky on 1 October 2024 | ||||||||||||||||||||||||||||||||||
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0% 28 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
| 13 Oct 2002 | – 136199 Eris at opposition |
| 13 Oct 2003 | – 136199 Eris at opposition |
| 13 Oct 2004 | – 136199 Eris at opposition |
| 13 Oct 2005 | – 136199 Eris 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.