Today, Cassini became the first spacecraft to enter Saturn's orbit.
Primary Mission: Four-year tour to study Saturn, its rings, moons and magnetosphere
Launch: October 15, 1997 from Cape Canaveral Air Force Station, Florida
Arrival at Saturn: July 1, 2004 (Eastern time)
Distance Traveled: 2.2 billion miles (3.5 billion km)
Huygens probe Titan descent: January 14, 2005
More info available from the NASA site: http://www.nasa.gov/mission_pages/cassini/main/index.html
I would guess they aren't using Java on this one, though, since it launched in 1997...
See also: Space