© NASA/Voyager 2

Uranus at opposition

Dominic Ford, Editor
From the Outer Planets feed

Objects: Uranus
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Uranus will reach opposition, when it lies opposite to the Sun in the sky. Lying in the constellation Taurus, it will be visible for much of the night, reaching its highest point in the sky around midnight local time.

From San Diego, it will be visible between 18:25 and 04:45. It will become accessible around 18:25, when it rises to an altitude of 21° above your eastern horizon. It will reach its highest point in the sky at 23:35, 77° above your southern horizon. It will become inaccessible around 04:45 when it sinks below 21° above your western horizon.

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2026–2027 apparition of Uranus

10 Sep 2026 – Uranus enters retrograde motion
25 Nov 2026 – Uranus at opposition
08 Feb 2027 – Uranus ends retrograde motion

A close approach to the Earth

At around the same time that Uranus passes opposition, it also makes its closest approach to the Earth – termed its perigee – making it appear at its brightest.

This happens because when Uranus lies opposite to the Sun in the sky, the Earth passes between Uranus and the Sun. The solar system is lined up with Uranus and the Earth on the same side of the Sun, as shown by the configuration labelled perigee in the diagram below:


When a planet is at opposition, the solar system is aligned such that the planet lies on the same side of the Sun as the Earth. At this time, the planet makes its perigee, or closest approach to the Earth. Not drawn to scale.

In practice, however, Uranus orbits much further out in the solar system than the Earth – at an average distance from the Sun of 19.19 times that of the Earth, and so its angular size does not vary much as it cycles between opposition and solar conjunction.

Observing Uranus

At opposition, Uranus is visible for much of the night. When it lies opposite to the Sun in the sky, this means that it rises at around the time the Sun sets, and it sets at around the time the Sun rises. It reaches its highest point in the sky at around midnight local time.

But even when it is at its closest point to the Earth, it is not possible to distinguish it as more than a star-like point of light without the aid of a telescope.

A chart of the path of Uranus across the sky in 2026 can be found here, and a chart of its rising and setting times here.

At the moment of opposition, Uranus will lie at a distance of 18.44 AU, and its disk will measure 3.8 arcsec in diameter, shining at magnitude 5.6. Its celestial coordinates at the moment it passes opposition will be:

Object Right Ascension Declination Constellation Magnitude Angular Size
Uranus 04h05m10s 20°40'N Taurus 5.6 3.8"

The coordinates above are given in J2000.0.

Over the weeks following its opposition, Uranus will reach its highest point in the sky four minutes earlier each night, gradually receding from the pre-dawn morning sky while remaining visible in the evening sky for a few months.

The sky on 25 November 2026
Sunrise
06:26
Sunset
16:46
Twilight ends
18:10
Twilight begins
05:02

16-day old moon
Waning Gibbous

95%

16 days old

Planets
Rise Culm. Set
Mercury 04:57 10:22 15:47
Venus 03:25 09:05 14:44
Moon 16:41 00:16 07:56
Mars 23:02 05:40 12:19
Jupiter 22:48 05:26 12:05
Saturn 13:58 20:02 02:06
All times shown in PST.

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

25 Nov 2026  –  Uranus at opposition
30 Nov 2027  –  Uranus at opposition
03 Dec 2028  –  Uranus at opposition
08 Dec 2029  –  Uranus at opposition

Image credit

© NASA/Voyager 2

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