Juno to Jupiter.

"Juno" is the next spacecraft that will go to Jupiter. Launching is planned in August 2011, and arriving at Jupiter in 2016. This will be the first spacecraft to be put into a polar orbit where it will spend 1 year and 32 orbits skimming as low as 3,000 miles over the cloud tops.
The "plutonium protesters" won't have to fuss over this one launching, since it will also be solar powered despite being 400 million miles from the sun - 5 times farther than Earth.

| Juno website |