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SpaceX launches 47 extra Starlink satellites – Spaceflight Now


Reside protection of the countdown and launch of a SpaceX Falcon 9 rocket from pad 39A at NASA’s Kennedy House Middle in Florida. The Starlink 4-9 mission will launch SpaceX’s subsequent batch of 47 Starlink broadband satellites. Textual content updates will seem mechanically beneath. Comply with us on Twitter.

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A bundle of 47 extra Starlink web satellites launched Thursday from Kennedy House Middle in Florida. SpaceX launched the satellites aboard a Falcon 9 rocket at 9:25 a.m. EST (1425 GMT).

The Falcon 9 launch Thursday adopted an analogous profile as latest Starlink missions, heading southeast over the Atlantic Ocean to position the satellites into an orbital aircraft tilted 53.2 levels to the equator.

The rocket’s reusable first stage flew on its eleventh mission, tying a file for Falcon booster reuse held by two different autos in SpaceX’s fleet. This booster is numbered B1060 in SpaceX’s stock, and its first flight was in June 2020 with a U.S. House Pressure GPS satellite tv for pc.

9 kerosene-fueled Merlin engines powered the Falcon 9 off the launch pad with 1.7 million kilos of thrust. The primary stage indifferent about two-and-a-half minutes into the mission and plunged again into the environment, touchdown on SpaceX’s drone ship “Simply Learn the Directions” within the Atlantic Ocean close to the Bahamas.

The second stage fired its single engine moments earlier than jettison of the Falcon 9’s two-piece nostril cone, revealing the flat-packed, quarter-ton Starlink satellites after hovering above the boundary of house. The nostril fairing shells had been anticipated to fall into the ocean below parachute for restoration and reuse.

The higher stage reduce off at T+plus 8 minutes, 46 seconds, then started a coast over the Caribbean, South America, and the South Atlantic. A quick restart fo the higher stage engine was deliberate round 57 minutes into the mission to position the Starlink satellites into an orbit between 189 miles and 197 miles (305 and 317 kilometers) above Earth.

The Starlink satellites had been anticipated to launch from Falcon 9 practically 66 minutes after liftoff. As soon as freed from the rocket, the spacecraft will deploy their photo voltaic panels and activate ion engines to start climbing to an operational altitude of 335 miles (540 kilometers).

The launch continued SpaceX’s busy begin to the 12 months. It was SpaceX’s ninth mission since Jan. 1, and the tenth launch from Florida’s House Coast this 12 months, coming lower than two days after the liftoff of a United Launch Alliance Atlas 5 rocket.

With the 47 new satellites that went up Thursday, SpaceX has launched 2,234 Starlink spacecraft to this point, together with prototypes and older fashions now not in service. Jonathan McDowell, an astrophysicist who usually tracks spaceflight exercise, estimated SpaceX had 1,945 functioning Starlink satellites in orbit, as of Wednesday.

SpaceX doesn’t launch data on the well being and standing of its Starlink satellites.

The launch Thursday occurred simply six days after SpaceX’s earlier Starlink mission from California. SpaceX plans one other Starlink launch on a Falcon 9 rocket March 8, placing the corporate nearer to reaching a objective of deploying roughly 4,400 Starlink satellites to beam high-speed, low-latency web companies all over the world.

Ultimately, SpaceX has signaled in regulatory filings it desires to function as many as 42,000 web satellites, all flying in low Earth orbit a number of hundred miles above the planet.

SpaceX stated final week the Starlink community is already offering companies to shoppers in 29 world markets. The community lately expanded to Ukraine to offer web service there amid Russia’s army invasion of the nation.

Learn our mission preview story for extra particulars.

ROCKET: Falcon 9 (B1060.11)

PAYLOAD: 47 Starlink satelllites (Starlink 4-9)

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

LAUNCH DATE: March 3, 2022

LAUNCH TIME: 9:25:00 a.m. EST (1425:00 GMT)

WEATHER FORECAST: 90% probability of acceptable climate; Low threat of unfavorable situations for booster restoration

BOOSTER RECOVERY: “Simply Learn the Directions” drone ship close to the Bahamas

LAUNCH AZIMUTH: Southeast

TARGET ORBIT: 189 miles by 197 miles (305 kilometers by 317 kilometers), 53.2 levels inclination

LAUNCH TIMELINE:

  • T+00:00: Liftoff
  • T+01:12: Most aerodynamic stress (Max-Q)
  • T+02:31: First stage essential engine cutoff (MECO)
  • T+02:35: Stage separation
  • T+02:42: Second stage engine ignition
  • T+02:47: Fairing jettison
  • T+06:49: First stage entry burn ignition (three engines)
  • T+07:09: First stage entry burn cutoff
  • T+08:25: First stage touchdown burn ignition (one engine)
  • T+08:46: Second stage engine cutoff (SECO 1)
  • T+08:47: First stage touchdown
  • T+56:45: Second stage restart
  • T+56:46: Second stage engine cutoff (SECO 2)
  • T+1:05:47: Starlink satellite tv for pc separation

MISSION STATS:

  • 143rd launch of a Falcon 9 rocket since 2010
  • 151st launch of Falcon rocket household since 2006
  • eleventh launch of Falcon 9 booster B1060
  • a hundred and twenty fifth Falcon 9 launch from Florida’s House Coast
  • 139th launch total from pad 39A
  • forty fifth SpaceX launch total from pad 39A
  • 86th flight of a reused Falcon 9 booster
  • thirty ninth devoted Falcon 9 launch with Starlink satellites
  • ninth Falcon 9 launch of 2022
  • ninth launch by SpaceX in 2022
  • tenth orbital launch primarily based out of Cape Canaveral in 2022

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Comply with Stephen Clark on Twitter: @StephenClark1.



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