Live coverage of the countdown and launch of the SpaceX Falcon 9 rocket from Launch Complex 39A at NASA’s Kennedy Space Center in Florida. The Starlink 4-26 mission will launch the next 53 Starlink SpaceX broadband satellites. follow us Twitter,
SpaceX is counting on the launch of its Falcon 9 rocket and 52 Starlink internet satellites at NASA’s Kennedy Space Center in Florida on Tuesday. The commercial mission is scheduled to launch into low-Earth orbit at 22:14 EDT (0214 GMT), and the first stage of the reusable Falcon 9 will target an unmanned ship landing off the coast.
The launch team missed the launch opportunity at 18:57 EDT (2257 GMT) due to unfavorable upper level winds. According to the 45th Weather Squadron of the US Space Force, there is a 70% chance the weather is suitable for liftoff on Tuesday.
The Falcon 9 rocket will head northeast of Kennedy Space Center, aiming to send a broadband relay station between 144 miles and 208 miles (232 x 338 kilometers) into orbit. The 52 flat-pack satellites will be deployed from the upper stages of the Falcon 9 approximately 15 minutes after liftoff.
With Tuesday’s mission, Starlink 4-26 commissioned, SpaceX will launch 3.09 Starlink Internet satellites, including prototypes and test units that are no longer operational. Tuesday’s launch will mark SpaceX’s 54th mission dedicated primarily to carrying the Starlink internet satellite into orbit.
The SpaceX launch team, stationed in the firing chamber at Kennedy Launch Control Center, will begin loading a very cold, viscous kerosene and liquid oxygen booster into the 229-foot (70-meter) Falcon 9 in T-minus 35 minutes. ,
Helium pressure will also flow into the rocket in the last half hour of the countdown. In the final seven minutes before takeoff, the main engine of the Falcon 9 Merlin will be thermally adjusted for flight through a process called “chilldown”. The Falcon 9 guidance and field protection systems will also be configured for launch.
After liftoff, the Falcon 9 rocket will direct 1.7 million pounds of thrust – generated by nine Merlin engines – to targets in the Northeast Atlantic.
The rocket would exceed the speed of sound in about a minute, and then shut down its nine main engines two and a half minutes after takeoff. The booster stage will fire from the top stage of the Falcon 9, then will issue a cooled gas control boost pulse and expand a titanium grille fin to help return the vehicle to the atmosphere.
Two brake burners would slow the missile as it landed atop the “A Shortfall of Gravity” drone about 400 miles (650 kilometers) after takeoff of about eight and a half minutes.
It will launch the Starlink 4-26 mission’s flight booster, known as B1073, on its third flight into space. It began with Starlink’s previous launch in May, and then flew again on 29 June with the commercial broadcast television satellite SES22.
Tuesday’s mission’s first stage landing will take place shortly after the Falcon 9’s second-stage engine stalled to send the Starlink satellite into orbit. The 52nd spacecraft, built by SpaceX in Redmond, Washington, is about to separate from the Falcon 9 rocket with a duration of 15 minutes 24 seconds.
The retaining rail will be launched from the Starlink payload stack, allowing the flat-pack satellite to fly freely into orbit from the upper stage of the Falcon 9. The spacecraft will launch and power the solar array through 52 automatic activation stages, then propel it into its operational orbit using a Krypton-fueled ion engine.
The purpose of the Falcon 9 guidance computer is to position the satellite in an elliptical orbit at the equator at an orbital inclination of 53.2°. The satellite will use the onboard thrust to do the rest of the work to achieve a circular orbit of 335 miles (540 kilometers) above Earth.
The Starlink satellite will fly in one of five orbital “skins” in different directions for SpaceX’s global internet. Once it reaches its operational orbit, the satellite will enter commercial service and begin broadcasting broadband signals to consumers, who can purchase Starlink services and from the network through ground stations provided by SpaceX. can join.
Payload: 52 satellites Starlink (Starlink 4-26)
Launch Site: LC-39A, Kennedy Space Center, Florida
Weather Forecast: 70% chance of acceptable weather; low risk of upper level winds; Reducing the risk of adverse conditions for better recovery
Recovery from reinforcement: Drone ship called “A Shortfall of Gravity” east of Charleston, South Carolina
Target Class: 144 miles by 208 miles (233 kilometers by 335 kilometers), 53.2 degree miles
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