0402 GMT (11:02 p.m. EST Fri.)
T+plus 12 minutes, 35 seconds. As the rocket passes out of range from the Antigua tracking station. A data blackout is created until the Delta's signal is acquired via a ground station in Australia about 40 minutes from now.
0400 GMT (11:00 p.m. EST Fri.)
T+plus 10 minutes, 5 seconds. SECO 1 has been confirmed. The second stage's Aerojet-made engine completed its initial burn for the launch. Delta and Kepler have reached orbit.
0359 GMT (10:59 p.m. EST Fri.)
T+plus 9 minutes, 10 seconds. The rocket is 103 miles in altitude, 1,240 miles downrange from the launch pad and traveling at 15,994 mph.
0358 GMT (10:58 p.m. EST Fri.)
T+plus 8 minutes, 5 seconds. About two minutes remain in this burn of the second stage engine to achieve the intended parking orbit.
0357 GMT (10:57 p.m. EST Fri.)
T+plus 7 minutes, 50 seconds. Delta is 99.9 miles in altitude, 955 miles downrange from the launch pad and traveling at 14,899 mph.
0356 GMT (10:56 p.m. EST Fri.)
T+plus 6 minutes, 55 seconds. Delta is 95 miles in altitude, 778 miles downrange from the launch pad and traveling at 14,271 mph.
0356 GMT (10:56 p.m. EST Fri.)
T+plus 6 minutes, 15 seconds. Delta is 89 miles in altitude, 641 miles downrange from the launch pad and traveling at 13,834 mph.
0356 GMT (10:56 p.m. EST Fri.)
T+plus 5 minutes, 55 seconds. The second stage is firing normally as the Delta arcs out over the Atlantic.
0355 GMT (10:55 p.m. EST Fri.)
T+plus 5 minutes, 5 seconds. The rocket's 10-foot-diameter nose cone enclosing the Kepler spacecraft has been jettisoned.
0354 GMT (10:54 p.m. EST Fri.)
T+plus 4 minutes, 58 seconds. The Delta's second stage engine ignition confirmed.
0354 GMT (10:54 p.m. EST Fri.)
T+plus 4 minutes, 41 seconds. MECO. The first stage main engine cutoff has occurred.
0354 GMT (10:54 p.m. EST Fri.)
T+plus 4 minutes, 15 seconds. The vehicle is 62 miles in altitude.
0353 GMT (10:53 p.m. EST Fri.)
T+plus 3 minutes, 30 seconds. The first stage main engine still firing well. The Pratt & Whitney Rocketdyne powerplant consumes kerosene fuel and liquid oxygen to produce about 200,000 pounds of thrust.
0353 GMT (10:53 p.m. EST Fri.)
T+plus 3 minutes, 5 seconds. The Delta 2 rocket is 43 miles in altitude and traveling over 6,980 mph.
0352 GMT (10:52 p.m. EST Fri.)
T+plus 2 minutes, 27 seconds. The Delta 2 rocket is 31.3 miles in altitude and traveling over 5,300 mph.
0352 GMT (10:52 p.m. EST Fri.)
T+plus 2 minutes, 15 seconds. The three air-ignited solid rocket boosters have burned out and separated. The rocket is now flying solely on the power generated by the liquid-fueled first stage main engine.
0351 GMT (10:51 p.m. EST Fri.)
T+plus 1 minutes, 40 seconds. The vehicle is 15 nautical miles in altitude, 35.6 miles downrange from the launch pad, traveling at 3,393 mph.
0351 GMT (10:51 p.m. EST Fri.)
T+plus 1 minute, 20 seconds. All six ground-start solid rocket boosters have burned out of propellant and separated from the Delta 2's first stage. A moment before the jettison occurred, the three remaining motors strapped to rocket ignited to continue assisting the rocket's RS-27A main engine on the push to space.
0350 GMT (10:50 p.m. EST Fri.)
T+plus 50 seconds. The rocket has flown through the area of maximum aerodynamic pressure in the lower atmosphere. The vehicle is riding the power of its first stage main engine and six of the strap-on boosters.
0350 GMT (10:50 p.m. EST Fri.)
T+plus 35 seconds. Delta has broken the sound barrier.
0350 GMT (10:50 p.m. EST Fri.)
T+plus 15 seconds. The Delta 2 rocket thundering away from Cape Canaveral for its Friday night flight to space.
0349:57 GMT (10:49:57 p.m. EST Fri.)
LIFTOFF! Liftoff of the Kepler spacecraft, a planet-finder seeking out habitable new worlds in the galaxy.
0349:27 GMT (10:49:27 p.m. EST Fri.)
T-minus 30 seconds. SRB ignitors will be armed at T-minus 11 seconds.
The launch ignition sequence will begin at T-minus 2 seconds when a launch team member triggers the engine start switch. The process begins with ignition of the two vernier thrusters and first stage main engine start. The six ground-lit solid rocket motors then light at T-0 for liftoff.
0348:57 GMT (10:48:57 p.m. EST Fri.)
T-minus 1 minute. All remains "go" for launch.