Right on schedule last night at 9:50 p.m. EDT, the MAVEN spacecraft fired its main engines for 33 minutes and 26 seconds in order to slow down the spacecraft enough to capture into Mars orbit. Following that event at about 10:30 p.m. EDT, David Folta, the Goddard Mission Design/Navigation lead—stationed at the Jet Propulsion Laboratory—made the call that we were all waiting for, “Based on observed navigation data, congratulations, MAVEN is now in Mars orbit!”… [More at link, including video]
Timeline for transition to science orbit (80 KB, PDF)