Images above courtesy NASA/JPL-Caltech.

Last Updated Wed Jun 10, 2009 at 16:07 UTC
Cassini Titan Flyby T-58:
4 days, 14 hours, 49 minutes
Third MESSENGER Mercury Flyby:
87 days, 21 hours, 44 minutes
LCROSS Lunar Impact:
97 days, 9 hours, 15 minutes