Hawthorne-based SpaceX launched a NASA ocean-monitoring satellite into orbit Saturday from Vandenberg Air Force Base in central California.
Residents in parts of Santa Barbara, Ventura and San Luis Obispo counties could hear a series of sonic booms following liftoff of the Falcon 9 rocket. Farther south in Los Angeles County, residents might have caught a glimpse of the rocket’s smoky trail as it powered the satellite into orbit, then reversed course and returned to Vandenberg for recovery and use in future missions.
The launch was scheduled for 9:17 a.m., and SpaceX tweeted a video showing the successful liftoff at 9:19 a.m.
At 9:28 a.m., the company tweeted that “Falcon 9’s first stage has landed on Landing Zone 4,” and deployment of Sentinel-6 Michael Freilich was confirmed at 10:18 a.m.
The rocket carries NASA’s Sentinel-6 Michael Freilich satellite, which will join a nearly 30-year project to measure global sea-surface height, while also providing atmospheric data that officials say will improve weather forecasts, climate modeling and hurricane tracking. Sentinel-6 Michael Freilich will be joined in the mission in 2025 by a twin satellite dubbed Sentinel-6B.
The satellite launched Saturday is named after Freilich, NASA’s former Earth Science Division director.
Three science instruments aboard the satellite were built by Jet Propulsion Laboratory in Pasadena — the Advanced Microwave Radiometer, the Global Navigation Satellite System-Radio Occultation and the Laser Retroreflector Array.
The ocean-monitoring program was developed by the European Space Agency in conjunction with NASA and the National Oceanic and Atmospheric Administration.
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