SpaceX launches 53 extra Starlink web satellites – Spaceflight Now

Stay protection of the countdown and launch of a SpaceX Falcon 9 rocket from Launch Complicated 39A at NASA’s Kennedy House Middle in Florida. The Starlink 4-19 mission launched SpaceX’s subsequent batch of 53 Starlink broadband satellites. comply with us on Twitter.

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SpaceX on Friday launched a Falcon 9 reusable booster for the document thirteenth time from Kennedy House Middle in Florida, carrying 53 different Starlink web satellites into orbit. Liftoff from pad 39A occurred at 12:09 p.m. EDT (4:09 p.m. GMT).

The Falcon 9 will head northeast of Kennedy to ship the Broadband Relay Stations flat to an orbit between 144 miles and 209 miles in altitude (232 by 337 kilometers). The deployment of the 53 flat satellites from the higher stage of Falcon 9 is deliberate roughly quarter-hour after liftoff.

The launch will kick off a busy weekend for SpaceX, with two extra Falcon 9 flights scheduled for Saturday and Sunday from Vandenberg House Drive Base in California after which from Cape City House Drive Station. Canaveral, just a few miles south of Kennedy House Middle.

With Friday’s mission, SpaceX may have launched 2,706 Starlink web satellites, together with prototypes and take a look at models which can be not in service, almost an order of magnitude extra spacecraft than every other fleet on this planet. spacecraft. Friday’s launch will mark the forty eighth SpaceX mission primarily devoted to carrying Starlink web satellites into orbit.

Stationed inside a firing vary on the Kennedy Launch Management Middle, the SpaceX launch group will start loading super-chilled and densified kerosene and liquid oxygen boosters into the 229-meter Falcon 9 car. ft excessive (70 meters) at T-minus 35 minutes Friday.

The pressurizing helium may even circulation into the rocket within the final half hour of the countdown. Over the last seven minutes earlier than liftoff, Falcon 9’s Merlin important engines can be thermally conditioned for flight by a process often called “cooling down”. Falcon 9’s vary steering and security methods may even be configured for launch at 12:08:50 p.m.

After liftoff, the 229-foot-tall (70-meter) Falcon 9 rocket will direct its 1.7 million pound thrust – produced by 9 Merlin engines – to go northeast over the Atlantic Ocean .

The rocket will exceed the pace of sound in a few minute, then shut down its 9 important engines two and a half minutes after liftoff. The thruster will exit from Falcon 9’s higher stage, then fireplace pulses from chilly gasoline management thrusters and lengthen titanium grid fins to assist deliver the car again into the ambiance.

Two brake burns will gradual the rocket to land on the drone ship “A Shortfall of Gravitas” roughly 400 miles (650 kilometers) roughly eight and a half minutes after liftoff.

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Friday’s flying booster stage – tail quantity B1060 – will set a brand new document for turning into essentially the most flown member of SpaceX’s reusable rocket fleet. It debuted on June 30, 2020, with the launch of a GPS navigation satellite tv for pc for the US navy, then flew once more in September and October 2020 on Starlink missions.

It was launched six occasions in 2021 with the geostationary communications satellite tv for pc Türksat 5A, 4 Starlink missions and the rideshare mission of SpaceX’s small satellite tv for pc Transporter 2. Friday’s launch would be the booster’s fourth flight of 2022, all flights devoted to the Starlink community.

SpaceX has certified Falcon 9 boosters for at the least 15 missions, up from the earlier design lifetime of 10 flights for every Falcon 9 first stage.

Friday’s mission first-stage touchdown will happen moments earlier than the Falcon 9’s second-stage engine shuts all the way down to launch the Starlink satellites into orbit. The separation of the 53 spacecraft, constructed by SpaceX in Redmond, Washington, is scheduled for T+plus quarter-hour, 26 seconds.

Retention rods will launch from the Starlink payload stack, permitting flat-packed satellites to fly freely from the Falcon 9 higher stage into orbit. The 53 spacecraft will deploy photo voltaic arrays and undergo automated activation levels, then use krypton-powered ion engines to maneuver into their operational orbit.

The Falcon 9 steering laptop aimed to deploy the satellites into an elliptical orbit between 144 and 209 miles in altitude, at an orbital inclination of 53.2 levels from the equator. The satellites will use onboard propulsion to do the remainder of the work to achieve a round orbit 335 miles (540 kilometers) above Earth.

Friday’s launch would be the first to put Starlink satellites in a low-altitude elliptical switch orbit since February, when aerodynamic drag produced by a photo voltaic storm swept almost 40 Starlink satellites into the ambiance shortly after the launch. launch. Since then, all of SpaceX’s Starlink launches have included two upper-stage engine burns to climb to a better orbit for spacecraft deployment.

Friday’s mission’s Starlink satellites will fly in one in every of 5 orbital “shells” utilized in SpaceX’s international web community. After reaching operational orbit, the satellites will enter business service and start transmitting broadband alerts to shoppers, who should purchase Starlink service and hook up with the community with a floor terminal offered by SpaceX.

ROCKET: Falcon 9 (B1060.13)

PAYLOAD: 53 Starlink satellites (Starlink 4-19)

LAUNCH SITE: LC-39A, Kennedy House Middle, Florida

RELEASE DATE: June 17, 2022

LAUNCH TIME: 12:09:20 EDT (1609:20 GMT)

WEATHER FORECAST: 90% likelihood of acceptable climate circumstances; Low threat of excessive winds; Low threat of adversarial circumstances for booster restoration

BOOSTER RECOVERY: “A Shortfall of Gravitas” drone ship east of Charleston, SC

LAUNCH AZIMUTH: Northeast

TARGET ORBIT: 144 by 209 miles (232 by 337 kilometers), 53.2 diploma incline

LAUNCH TIMETABLE:

  • T+00:00: Takeoff
  • T+01:12: Most air strain (Max-Q)
  • T+02:27: First stage important engine shutdown (MECO)
  • T+02:30: Ground separation
  • T+02:37: Second stage engine ignition
  • T+02:42: Fairing jettison
  • T+06:47: First stage inlet combustion ignition (three engines)
  • T+07:07: First flooring inlet burn shutdown
  • T+08:24: First stage touchdown burn ignition (one engine)
  • T+08:35: First stage touchdown
  • T+08:45: Second stage motor shutdown (SECO 1)
  • T+15:26: Separation of Starlink satellites

MISSION STATS:

  • 158th launch of a Falcon 9 rocket since 2010
  • 166th launch of the Falcon household of rockets since 2006
  • thirteenth launch of the Falcon 9 B1060 booster
  • Launch of the 138th Falcon 9 from the House Coast of Florida
  • SpaceX’s fiftieth launch from pad 39A
  • 144th complete launch from pad 39A
  • one centesimal flight of a repurposed Falcon 9 booster
  • forty eighth devoted launch of Falcon 9 with Starlink satellites
  • twenty fourth Falcon 9 launch of 2022
  • twenty fourth launch by SpaceX in 2022
  • twenty fifth orbital launch try primarily based at Cape Canaveral in 2022

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Comply with Stephen Clark on Twitter: @StephenClark1.

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