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Timeline for Falcon 9 launch of Starlink satellites – Spaceflight Now

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Observe the important thing occasions of the Falcon 9 rocket’s ascent to orbit with 60 satellites for SpaceX’s Starlink broadband community.

The 229-foot-tall (70-meter) rocket is scheduled to carry off Monday at 9:49 a.m. EST (1449 GMT) from the Advanced 40 launch pad at Cape Canaveral Air Power Station in Florida.

The Falcon 9 will head northeast from Cape Canaveral over the Atlantic Ocean to put the 60 Starlink satellites right into a round orbit round 180 miles (290 kilometers) above Earth. The satellites will use their ion thrusters to maneuver into their greater orbit for testing, earlier than lastly continuing to an operational orbit at an altitude of roughly 341 miles (550 kilometers).

The Falcon 9’s first stage will goal a touchdown on SpaceX’s drone ship “Of Course I Nonetheless Love You” within the Atlantic Ocean practically 400 miles northeast of Cape Canaveral.

The primary stage booster launching tonight beforehand flew on two missions. The booster first launched from the Kennedy Area Middle in March 2019 with SpaceX’s first unpiloted Crew Dragon capsule, then launched once more in June 2019 from Vandenberg Air Power Base in California with the Canadian Radarsat Sonstellation Mission.

For Monday’s mission, SpaceX may even try to catch each halves of the Falcon 9’s payload fairing utilizing nets aboard the ocean-going ships “Ms. Tree” and “Ms. Chief” within the Atlantic Ocean.

Knowledge supply: SpaceX

T-Zero:00:00: Liftoff

After the rocket’s nine Merlin engines pass an automated health check, hold-down clamps will release the Falcon 9 booster for liftoff from Complex 40.
After the rocket’s 9 Merlin engines go an automatic well being verify, hold-down clamps will launch the Falcon 9 booster for liftoff from pad 40.

T+Zero:01:13: Max Q

The Falcon 9 rocket reaches Max Q, the point of maximum aerodynamic pressure.
The Falcon 9 rocket reaches Max Q, the purpose of most aerodynamic stress, a number of seconds after surpassing the velocity of sound.

T+Zero:02:33: MECO

The Falcon 9’s nine Merlin 1D engines shut down.
The Falcon 9’s 9 Merlin 1D engines shut down.

T+Zero:02:36: Stage 1 Separation

The Falcon 9’s first stage separates from the second stage moments after MECO.
The Falcon 9’s first stage separates from the second stage moments after MECO.

T+Zero:02:43: Stage 2 Ignition

The second stage Merlin 1D vacuum engine ignites for an approximately 6-minute burn to inject the Jason 3 satellite into a parking orbit.
The second stage Merlin 1D vacuum engine ignites for an roughly six-and-a-half-minute burn to inject the Starlink satellites right into a parking orbit.

T+Zero:03:24: Fairing Jettison

The 5.2-meter (17.1-foot) diameter payload fairing jettisons once the Falcon 9 rocket ascends through the dense lower atmosphere. The 43-foot-tall fairing is made of two clamshell-like halves composed of carbon fiber with an aluminum honeycomb core.
The 5.2-meter (17.1-foot) diameter payload fairing jettisons as soon as the Falcon 9 rocket ascends by way of the dense decrease environment. The 43-foot-tall fairing is fabricated from two clamshell-like halves composed of carbon fiber with an aluminum honeycomb core.

T+Zero:06:41: Stage 1 Entry Burn Full

A subset of the primary stage’s Merlin 1D engines completes an entry burn to decelerate for touchdown. A ultimate touchdown burn will happen simply earlier than landing on SpaceX’s drone ship “Of Course I Nonetheless Love You” round 385 miles (620 kilometers) northeast of Cape Canaveral.

T+Zero:08:24: Stage 1 Touchdown

The Falcon 9 rocket’s first stage booster touches down on SpaceX’s drone ship within the Atlantic Ocean.

T+Zero:08:49: SECO 1

The Merlin 1D vacuum engine turns off after putting the Starlink satellites in a short lived parking orbit, starting a 36-minute coast in house.

T+Zero:45:55: Stage 2 Restart

The Falcon 9's second stage engine ignites again for a 12-second burn to circularize its orbit.
The Falcon 9’s second stage engine ignites once more for a 2-second burn to circularize its orbit.

T+Zero:45:57: SECO 2

The Merlin 1D vacuum engine shuts down after reaching a target orbit with a high point of 857 miles (1,380 kilometers), a low point of 825 miles (1,328 kilometers) and an inclination of 66 degrees.
The Merlin 1D vacuum engine shuts down after reaching a goal orbit about 180 miles (290 kilometers) excessive with an inclination of roughly 53 levels.

T+1:01:48: Starlink Deployment

The 60 flat-panel Starlink satellites, every with a mass of about 573 kilos (260 kilograms) deploy from the Falcon 9 rocket’s second stage.

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Observe Stephen Clark on Twitter: @StephenClark1.




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