The Uranus Orbiter and Probe is the current name for a
concept in development for a mission to Uranus
to be launch in the early 2030s, to place a probe in orbit
and send a companion probe into the atmosphere.
That general launch time takes advantage of a launch window
for using a Jupitergravity assist, a particular window
that won't recur for more than a decade.
Suggested orbiter instruments: