Transit of Earth from Uranus
A [[Astronomical transit|transit]] '''of''' [[Earth]] '''across the''' [[Sun]] '''as seen from''' [[Uranus]] takes place when the planet Earth passes directly between the Sun and Uranus, obscuring a small part of the Sun's disc for an observer on Uranus. During a transit, Earth can be seen from Uranus as a small black disc moving across the face of the Sun.
Naturally, no one has ever seen a transit of Earth from Uranus, nor is this likely to happen in the foreseeable future. Nevertheless, the next one will take place on [[November 17]], [[2024]].
A transit could be observed from the surface of one of Uranus' moons rather than from Uranus itself. The times and circumstances of the transits would naturally be slightly different.
The Earth-Uranus [[synodic period]] is 369.64 days. It can be calculated using the formula 1/(1/P-1/Q), where P is the [[sidereal orbital period]] of Earth (365.25636 days) and Q is the [[orbital period]] of Uranus (30,799.095 days).
Transits of Earth from Uranus occur in clusters, with two such clusters every 40 years or so.
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{| border cellspacing=0 cellpadding=5 align="center"
! Transits 2001-2100
|-
| [[November 17]], [[2024]]
|-
| [[November 21]], [[2025]]
|-
| [[November 26]], [[2026]]
|-
| [[November 30]], [[2027]]
|-
| [[December 3]], [[2028]]
|-
| [[December 8]], [[2029]]
|-
| [[December 12]], [[2030]]
|-
| [[December 17]], [[2031]]
|-
| [[December 21]], [[2032]]
|-
| [[May 19]], [[2065]]
|-
| [[May 24]], [[2066]]
|-
| [[May 29]], [[2067]]
|-
| [[June 2]], [[2068]]
|-
| [[June 7]], [[2069]]
|-
| [[June 12]], [[2070]]
|-
| [[June 17]], [[2071]]
|-
| [[June 20]], [[2072]]
|}
==Transit visibility table==
==See also==
* [[Astronomical transit]]
{{transit visibility table}}
==External links==
* [http://ssd.jpl.nasa.gov/?HORIZONS JPL Horizons]
{{Uranus}}
[[Category:Astronomical transits]]
[[Category:Uranus]]