© 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 10° 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 96.58 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 2025 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 01h46m50s 0°18'S Cetus 0.0"
Sun 01h31m 9°33'N Pisces 31'53"

The coordinates above are given in J2000.0.

The sky on 14 Apr 2025

The sky on 14 April 2025
Sunrise
06:32
Sunset
19:45
Twilight ends
21:21
Twilight begins
04:57

16-day old moon
Waning Gibbous

95%

16 days old

Planets
Rise Culm. Set
Mercury 05:38 11:35 17:31
Venus 05:01 11:10 17:18
Moon 20:40 01:55 07:02
Mars 12:16 19:39 03:02
Jupiter 09:22 16:44 00:06
Saturn 05:33 11:25 17:16
All times shown in EDT.

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.

Related news

17 Oct 2024  –  136199 Eris at opposition
18 Oct 2025  –  136199 Eris at opposition
18 Oct 2026  –  136199 Eris at opposition
19 Oct 2027  –  136199 Eris at opposition

Image credit

© NASA/Hubble Space Telescope

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