© NASA/Hubble Space Telescope

136199 Eris at solar conjunction

Dominic Ford, Editor
From the Dwarf Planets feed

Objects: 136199 Eris
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The sky at

136199 Eris will pass close to the Sun in the sky as its orbit carries it around the far side of the solar system from the Earth.

At closest approach, 136199 Eris will appear at a separation of only 11° from the Sun, making it totally unobservable for several weeks while it is lost in the Sun's glare.

At around the same time, 136199 Eris will also be at its most distant from the Earth – receding to a distance of 96.83 AU – since the two planets will lie on opposite sides of the solar system.

Over following weeks and months, 136199 Eris will re-emerge to the west of the Sun, gradually becoming visible for ever-longer periods in the pre-dawn sky. After around six months, it will reach opposition, when it will be visible for virtually the whole night. A chart of the path of 136199 Eris across the sky in 2022 can be found here, and a chart of its rising and setting times here.

The position of 136199 Eris at the moment it passes solar conjunction will be:

Object Right Ascension Declination Constellation Angular Size
136199 Eris 01h46m20s 0°58'S Cetus 0.0"
Sun 01h30m 9°25'N Pisces 31'53"

The coordinates above are given in J2000.0.

The sky on 14 Apr 2022

The sky on 14 April 2022
Twilight ends
Twilight begins

13-day old moon
Waxing Gibbous


13 days old

Rise Culm. Set
Mercury 07:30 14:19 21:08
Venus 05:10 10:47 16:25
Moon 18:03 00:23 06:36
Mars 04:47 10:10 15:33
Jupiter 05:49 11:42 17:35
Saturn 04:28 09:45 15:01
All times shown in MDT.


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.


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

17 Oct 2021  –  136199 Eris at opposition
17 Oct 2022  –  136199 Eris at opposition
18 Oct 2023  –  136199 Eris at opposition
17 Oct 2024  –  136199 Eris at opposition

Image credit

© NASA/Hubble Space Telescope





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