Falcon 9 launch gif8/30/2023 ![]() T+0:08:06: SECO 1 The second stage of the Falcon 9 rocket shuts down after reaching a preliminary low-altitude orbit around Earth. A final landing burn will occur just before touchdown. T+0:06:40: Stage 1 Entry Burn Begins A subset of the first stage’s Merlin 1D engines begin an entry burn to slow down for landing. The 43-foot-tall fairing is made of two clamshell-like halves composed of carbon fiber with an aluminum honeycomb core. ![]() T+0:03:11: Fairing Jettison The 5.2-meter (17.1-foot) diameter payload fairing jettisons once the Falcon 9 rocket ascends through the dense lower atmosphere. The second stage will perform a “dogleg” maneuver early in its burn to align with the proper track for DART’s launch. ![]() T+0:02:44: First Ignition of Second Stage The second stage Merlin-Vacuum engine ignites for a five-and-a-half-minute burn to put the rocket and DART spacecraft into a preliminary parking orbit. T+0:02:36: Stage 1 Separation The Falcon 9’s first stage separates from the second stage moments after MECO. T+0:02:33: MECO The Falcon 9’s nine Merlin 1D engines shut down. T+0:01:12: Max Q The Falcon 9 rocket reaches Max Q, the point of maximum aerodynamic pressure. T+0:01:00: Mach 1 The Falcon 9 rocket reaches Mach 1, the speed of sound, as the nine Merlin 1D engines provide more than 1.7 million pounds of thrust. T-0:00:00: Liftoff After the rocket’s nine Merlin engines pass an automated health check, hold-down clamps will release the Falcon 9 booster for liftoff from the SLC-4E launch pad at Vandenberg Space Force Base. The timeline below outlines the launch sequence for the Falcon 9 flight with DART. The trajectory allows SpaceX to position its drone ship for the first stage landing a proper distance away from Isla Guadalupe, a Mexican island west of Baja California. The second stage will perform a “dogleg” steering maneuver, or a left turn, early in its burn to align with the proper track for DART’s launch. It first flew in November 2020 with the Sentinel-6 Michael Freilich oceanography satellite, then launched again in May with 60 Starlink internet satellites. The Falcon 9 first stage booster set to launch the DART mission has two previous flights to its credit. The entire mission costs $330 million, according to NASA. Didymos and Dimorphos, the asteroid system targeted by DART, do not pose any near-term threat to our planet.ĭART was developed by the Johns Hopkins University Applied Physics Laboratory, and funded by NASA. The experiment will demonstrate how a future spacecraft could be launched to nudge an asteroid off of a collision course with Earth. Scientists will use ground-based telescopes to measure how much the kinetic impact from DART changed the orbit of Dimorphos around its larger companion, named Didymos. ![]() The target asteroid, named Dimorphos, is about the size of a football stadium. The first-of-its-kind mission will take aim on a binary asteroid next September, guiding itself to strike the smaller of the pair. The payload for the mission is NASA’s Double Asteroid Redirection Test, or DART, mission. The 229-foot-tall (70-meter) rocket is poised for takeoff from Space Launch Complex 4-East at Vandenberg Space Force Base, California, at 10:21:02 p.m. A SpaceX Falcon 9 rocket is set for liftoff from Vandenberg Space Force Base, heading southeast over the Pacific Ocean with NASA’s DART asteroid deflection experiment.
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