134340 Pluto at solar conjunction

Dominic Ford, Editor
From the Dwarf Planets feed


134340 Pluto 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, 134340 Pluto will appear at a separation of only 14° from the Sun, making it totally unobservable for several weeks while it is lost in the Sun's glare.

At around the same time, 134340 Pluto will also be at its most distant from the Earth – receding to a distance of 32.84 AU – since the two planets will lie on opposite sides of the solar system.

Over following weeks and months, 134340 Pluto 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 134340 Pluto across the sky in 1968 can be found here, and a chart of its rising and setting times here.

The position of 134340 Pluto at the moment it passes solar conjunction will be:

Object Right Ascension Declination Constellation Angular Size
134340 Pluto 11h59m50s 16°18'N Coma Berenices 0.0"
Sun 11h35m 2°38'N Leo 31'49"

The coordinates above are given in J2000.0.

The sky on 9 Sep 2025

The sky on 9 September 2025
Sunrise
06:28
Sunset
19:06
Twilight ends
20:31
Twilight begins
05:03


Waning Gibbous

90%

17 days old

Planets
Rise Culm. Set
Mercury 06:13 12:38 19:02
Venus 04:10 10:57 17:45
Moon 19:48 02:05 08:32
Mars 09:13 14:54 20:34
Jupiter 01:52 08:58 16:05
Saturn 19:42 01:37 07:33
All times shown in PDT.

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

11 Mar 1968  –  134340 Pluto at opposition
14 Mar 1969  –  134340 Pluto at opposition
16 Mar 1970  –  134340 Pluto at opposition
19 Mar 1971  –  134340 Pluto at opposition

Image credit

© NASA/New Horizons

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