Uranus

Measured

Equatorial radius

25,559 km

From the Earth today

18.5 AU (2.76 billion km)

How far, from the Earth

18.5 AU. To cross it:

• Light2 hours 34 minutes
• Voyager 1's speed5.19 years
• Driving at 100 km/h3,150 years

Voyager 1 at the speed it moved outward over the year to 2026-10-25 (JPL Horizons). Driving: nonstop, never refuelling.

Spacecraft that went there

• Voyager 2 — The only spacecraft to visit: 24 January 1986.

Moons (28 in Ouranos)

MirandaArielUmbrielTitaniaOberonCordeliaOpheliaBiancaCressidaDesdemonaJulietPortiaRosalindCupidBelindaPerditaPuckMabFranciscoCalibanStephanoS/2023 U 1TrinculoSycoraxMargaretProsperoSetebosFerdinand

Where this comes from

• Planets, Pluto, the Moon and Jupiter's big moons: astronomy-engine (Don Cross, MIT). Other moons: JPL Planetary Satellite Mean Elements. Ceres, Eris, Haumea, Makemake: JPL Small-Body Database. NASA/JPL-Caltech.

Every catalogue Ouranos draws is credited on the credits page.