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Dwell protection of the countdown and launch of a SpaceX Falcon 9 rocket from House Launch Complicated 40 at Cape Canaveral House Pressure Station in Florida. The Starlink 4-16 mission will launch SpaceX’s subsequent batch of 53 Starlink broadband satellites. Observe us on Twitter.

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SpaceX is counting all the way down to launch of a Falcon 9 rocket at 5:27 p.m. EDT (2127 GMT) Friday from Cape Canaveral House Pressure Station. A booster that beforehand flew simply 21 days in the past will haul 53 extra Starlink web satellites into house.

There may be an 80% likelihood of favorable climate for liftoff Friday on SpaceX’s 151st Falcon 9 mission, and the forty third flight primarily devoted to carrying Starlink satellites. The first climate concern is with cumulus clouds.

The primary stage booster — tail quantity B1062 — will purpose for touchdown on the drone ship “Simply Learn the Directions” positioned roughly due east of Charleston, South Carolina, about eight-and-a-half minutes after launch.

SpaceX groups at Cape Canaveral rolled the Falcon 9 rocket from its hangar to pad 40 at Cape Canaveral and raised it vertical early Friday. Starting at T-minus 35 minutes, the launch group will oversee loading of kerosene and liquid oxygen propellants into the Falcon 9 via an automatic, computer-controlled sequencer.

Helium pressurant can even be flowed into the rocket. Within the last seven minutes of the countdown, the Falcon 9’s Merlin most important engines will probably be thermally conditioned for flight via a process generally known as “chilldown.” The Falcon 9’s steering and vary security techniques can even be configured for launch at 5:27 p.m.

The 229-foot-tall (70-meter) Falcon 9 rocket will pivot to fly northeast from Cape Canaveral over the Atlantic Ocean.

The rocket will surpass the velocity of sound in about one minute, then shut down its 9 most important engines two-and-a-half minutes after liftoff. The booster will detach, fireplace pulses from chilly gasoline thrusters, and prolong titanium grid fins to assist steer the car again into the ambiance, and use braking burns with its most important engines to decelerate for touchdown on the drone ship round 400 miles (650 kilometers) downrange.

This booster is ready to launch on its sixth mission, following a debut flight in November 2020 with a GPS navigation satellite tv for pc, and one other GPS launch in June of final yr. It flew once more Sept. 14 with the all-private Inspiration4 crew mission, and carried a Starlink mission to house Jan. 6, earlier than its most up-to-date flight April 8 on Axiom’s Ax-1 business crew mission to the house station.

A Falcon 9 rocket stands on pad 40 Friday. Credit score: William Harwood / CBS Information

Persevering with the flight into orbit, the Falcon 9’s higher stage engine will shut down practically 9 minutes into the mission, moments after the touchdown of the primary stage downrange within the Atlantic Ocean.

After coasting throughout the North Atlantic, over Europe and the Center East, then throughout the Indian Ocean, the higher stage will reignite its engine for a quick two-second firing to maneuver the 53 Starlink satellites into the right orbit for separation.

The Falcon 9’s steering laptop aimed to launch the flat-panel satellites simply shy of 1 hour after launch in an orbit between 189 miles and 197 miles (304 by 317 kilmeters) above Earth, with an inclination of 53.2 levels to the equator.

The Starlink satellites will prolong photo voltaic arrays and use on-board ion thrusters to achieve their operational orbit at an altitude of 335 miles (540 kilometers), the place they are going to enter business service for SpaceX.

After Thursday’s mission, SpaceX may have launched 2,441 Starlink satellites up to now, together with spacecraft that had been decommissioned or suffered failures. Greater than 2,100 of these satellites are in orbit and functioning as of Thursday, in response to a listing maintained by Jonathan McDowell, an astrophysicist who intently tracks spaceflight exercise.

Learn our mission preview story for extra particulars.

ROCKET: Falcon 9 (B1060.12)

PAYLOAD: 53 Starlink satelllites (Starlink 4-16)

LAUNCH SITE: SLC-40, Cape Canaveral House Pressure Station, Florida

LAUNCH DATE: April 29, 2022

LAUNCH TIME: 5:27:10 p.m. EDT (2127:10 GMT)

WEATHER FORECAST: 80% likelihood of acceptable climate; Low threat of unfavorable circumstances for booster restoration

BOOSTER RECOVERY: “Simply Learn the Directions” drone ship east of Charleston, South Carolina


TARGET ORBIT: 189 miles by 197 miles (304 kilometers by 317 kilometers), 53.2 levels inclination


  • T+00:00: Liftoff
  • T+01:12: Most aerodynamic strain (Max-Q)
  • T+02:31: First stage most important engine cutoff (MECO)
  • T+02:35: Stage separation
  • T+02:42: Second stage engine ignition
  • T+02:50: Fairing jettison
  • T+06:13: First stage entry burn ignition (three engines)
  • T+06:32: First stage entry burn cutoff
  • T+08:02: First stage touchdown burn ignition (one engine)
  • T+08:24: First stage touchdown
  • T+08:49: Second stage engine cutoff (SECO 1)
  • T+45:22: Second stage restart
  • T+45:24: Second stage engine cutoff (SECO 2)
  • T+59:30: Starlink satellite tv for pc separation


  • 151st launch of a Falcon 9 rocket since 2010
  • 159th launch of Falcon rocket household since 2006
  • sixth launch of Falcon 9 booster B1062
  • 132nd Falcon 9 launch from Florida’s House Coast
  • eighty fifth Falcon 9 launch from pad 40
  • one hundred and fortieth launch total from pad 40
  • 94th flight of a reused Falcon 9 booster
  • forty third devoted Falcon 9 launch with Starlink satellites
  • seventeenth Falcon 9 launch of 2022
  • seventeenth launch by SpaceX in 2022
  • seventeenth orbital launch primarily based out of Cape Canaveral in 2022

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Observe Stephen Clark on Twitter: @StephenClark1.

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