![]() ![]() The 229-foot-tall (70-meter) Falcon 9 rocket took off at 1:03:30 a.m. TARGET ORBIT: 144 miles by 210 miles (232 kilometers by 338 kilometers), 53.Fifty-six more Starlink internet satellites lifted off early Sunday atop a Falcon 9 rocket from Cape Canaveral on SpaceX’s 32nd launch of the year. WEATHER FORECAST: 50% chance of acceptable weather Low risk of upper level winds Low risk of unfavorable conditions for booster recoveryīOOSTER RECOVERY: “Just Read the Instructions” drone ship east of Charleston, South Carolina LAUNCH SITE: SLC-40, Cape Canaveral Space Force Station, Florida PAYLOAD: 53 Starlink satellites (Starlink 4-22) After reaching their operational orbit, the satellites will enter commercial service and begin beaming broadband signals to consumers, who can purchase Starlink service and connect to the network with a SpaceX-supplied ground terminal. The Starlink satellites will fly in one of five orbital “shells” at different inclinations for SpaceX’s global internet network. The satellites will use on-board propulsion to do the rest of the work to reach a circular orbit 335 miles (540 kilometers) above Earth. The Falcon 9’s guidance computer aimed to deploy the satellites into an elliptical orbit at an orbital inclination of 53.2 degrees to the equator. Retention rods released from the Starlink payload stack, allowing the flat-packed satellites to fly free from the Falcon 9’s upper stage in orbit. The 53 spacecraft will unfurl solar arrays and run through automated activation steps, then use krypton-fueled ion engines to maneuver into their operational orbit. Separation of the 53 spacecraft, built by SpaceX in Redmond, Washington, was confirmed at T+plus 15 minutes, 28 seconds. Landing of the first stage on Sunday’s mission occurred moments after the Falcon 9’s second stage engine cut off to deliver the Starlink satellites into orbit. SpaceX has certified Falcon 9 boosters for at least 15 missions, an extension from the original certification of 10 flights. With Sunday’s mission, B1051 became the third booster in SpaceX’s inventory to reach the 13-flight milestone. Since then, the booster has launched Canada’s Radarsat Constellation Mission, SiriusXM’s SXM 7 radio broadcasting satellite, and nine Starlink missions. It debuted in March 2019 with the first unpiloted test flight of SpaceX’s Crew Dragon spacecraft. The booster - tail number B1051 - that flew Sunday is one of the oldest in SpaceX’s fleet of reusable rockets. Two braking burns slowed the rocket for landing on the drone ship “Just Read the Instructions” around 400 miles (650 kilometers) downrange approximately eight-and-a-half minutes after liftoff. The booster stage released from the Falcon 9’s upper stage, then fired pulses from cold gas control thrusters and extended titanium grid fins to help steer the vehicle back into the atmosphere. ![]() The rocket exceeded the speed of sound in about one minute, then shut down its nine main engines two-and-a-half minutes after liftoff. In the final seven minutes before liftoff, the Falcon 9’s Merlin main engines were thermally conditioned for flight through a procedure known as “chilldown.” The Falcon 9’s guidance and range safety systems were also configured for launch.Īfter liftoff, the Falcon 9 rocket vectored its 1.7 million pounds of thrust - produced by nine Merlin engines - to steer northeast over the Atlantic Ocean. Helium pressurant also flowed into the rocket in the last half-hour of the countdown. Stationed inside a firing room at a launch control center just south of Cape Canaveral Space Force Station, SpaceX’s launch team began loading super-chilled, densified kerosene and liquid oxygen propellants into the 229-foot-tall (70-meter) Falcon 9 vehicle at T-minus 35 minutes. ![]() The launch Thursday marked the 51st SpaceX mission primarily dedicated to hauling Starlink internet satellites into orbit. With Sunday’s mission, designated Starlink 4-22, SpaceX has launched 2,858 Starlink internet satellites, including prototypes and test units no longer in service. Deployment of the 53 flat-packed satellites from the Falcon 9’s upper stage occurred about 15 minutes after liftoff. The rocket headed northeast from Cape Canaveral Space Force Station, aiming to deliver the flat-packed broadband relay stations to an orbit ranging between 144 miles and 210 miles in altitude (232-by-338 kilometers). The Falcon 9 booster landed on SpaceX’s drone ship parked downrange in the Atlantic Ocean northeast of Cape Canaveral. The mission marks SpaceX’s fourth launch in 10 days, and SpaceX’s 31st launch of 2022, tying the record number of Falcon 9 missions in a calendar year. EDT (1420 GMT) Sunday with 53 more Starlink internet satellites. A SpaceX Falcon 9 rocket launched from Cape Canaveral Space Force Station at 10:20 a.m. ![]()
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