SpaceX released some other batch of 53 Starlink net satellites at 5:42 a.m. EDT (0942 GMT) Friday from the Kennedy Space Center. The booster nailed its touchdown on SpaceX`s drone deliver with inside the Atlantic Ocean, finishing its twelfth flight to space.
SpaceX groups at Cape Canaveral rolled the Falcon nine rocket from its hangar to pad 39A and raised it vertical Thursday. Beginning at T-minus 35 mins, the release group will oversee loading of kerosene and liquid oxygen propellants into the Falcon nine via an automated, computer-managed sequencer.
Helium pressurant may also flowed into the rocket. In the very last seven mins of the countdown, the Falcon nine`s Merlin fundamental engines might be thermally conditioned for flight via a manner acknowledged as “chilldown.” The Falcon nine`s steerage and variety protection structures may also be configured for release at 5:42 a.m.
The 229-foot-tall (70-meter) Falcon nine rocket will vector its 1.7 million kilos of thrust — produced via way of means of 9 Merlin engines — to persuade northeast over the Atlantic Ocean.
The rocket will surpass the velocity of sound in approximately one minute, then close down its 9 fundamental engines two-and-a-1/2 of mins after lift off. The booster will detach and hearthplace pulses from bloodless fueloline manipulate thrusters, then enlarge titanium grid fins to assist steer the car lower back into the atmosphere.
Two braking burns will sluggish down the rocket for touchdown at the drone deliver round four hundred miles (650 kilometers) downrange.
This booster — tail wide variety B1058 — will release on its twelfth mission, turning into the 0.33 level in SpaceX`s stock to attain that milestone. The booster debuted in May 2020 with the release of the primary check flight of SpaceX`s Dragon spacecraft to hold astronauts.
About eight-and-a-1/2 of mins after Friday`s release, the booster landed at the drone deliver “A Shortfall of Gravitas” placed kind of due east of Charleston, South Carolina.
The touchdown will arise simply previous to shutdown of the top level engine. The rocket will coast midway round the sector earlier than reigniting the Merlin-Vacuum top level engine approximately forty five mins into the mission, paving the manner for separation of the fifty three Starlink satellites at T+plus fifty four mins, 30 seconds.
Retention rods keeping the satellites right into a flat-packed configuration at the rocket will jettison, permitting the Starlink systems to fly farfar from the second one stage. They will unfurl sun arrays and run via computerized activation steps, then use krypton-fueled ion engines to move into their operational orbit.
The Falcon nine will goal to install the satellites in a near-round orbit ranging in altitude among 189 miles and 197 miles (304 through 317 kilometers), at an orbital inclination of 53.2 levels to the equator. The satellites will use on-board propulsion to do the relaxation of the paintings to attain a round orbit 335 miles (540 kilometers) above Earth.
The Starlink satellites on Friday`s project will fly in certainly considered one among 5 orbital “shells” utilized in SpaceX`s worldwide net community. After attaining their operational orbit, the satellites will input industrial provider and start beaming broadband alerts to consumers, who should purchase Starlink provider and connect with the community with a SpaceX-provided floor terminal.
After Friday`s project, SpaceX may have released 2,494 Starlink satellites to date, inclusive of spacecraft that had been decommissioned or suffered failures. More than 2,a hundred of these satellites are in orbit and functioning as of this week, in keeping with a listing maintained through Jonathan McDowell, an astrophysicist who carefully tracks spaceflight activity.
ROCKET: Falcon 9 (B1058.12)
PAYLOAD: 53 Starlink satelllites (Starlink 4-17)
LAUNCH SITE: LC-39A, Kennedy Space Center, Florida
LAUNCH DATE: May 6, 2022
LAUNCH TIME: 5:42:00 a.m. EDT (0942:00 GMT)
WEATHER FORECAST: 90% chance of acceptable weather; Moderate risk of upper level winds; Low risk of unfavorable conditions for booster recovery
BOOSTER RECOVERY: “A Shortfall of Gravitas” drone ship east of Charleston, South Carolina
LAUNCH AZIMUTH: Northeast
TARGET ORBIT: 189 miles by 197 miles (304 kilometers by 317 kilometers), 53.2 degrees inclination
- T+00:00: Liftoff
- T+01:12: Maximum aerodynamic pressure (Max-Q)
- T+02:31: First stage main engine cutoff (MECO)
- T+02:35: Stage separation
- T+02:41: Second stage engine ignition
- T+02:48: Fairing jettison
- T+06:14: First stage entry burn ignition (three engines)
- T+06:33: First stage entry burn cutoff
- T+08:04: First stage landing burn ignition (one engine)
- T+08:26: First stage landing
- T+08:47: Second stage engine cutoff (SECO 1)
- T+45:28: Second stage restart
- T+45:29: Second stage engine cutoff (SECO 2)
- T+54:30: Starlink satellite separation
- 152nd launch of a Falcon 9 rocket since 2010
- 160th launch of Falcon rocket family since 2006
- 12th launch of Falcon 9 booster B1058
- 133rd Falcon 9 launch from Florida’s Space Coast
- 142nd launch overall from pad 39A
- 48th SpaceX launch overall from pad 39A
- 95th flight of a reused Falcon 9 booster
- 44th dedicated Falcon 9 launch with Starlink satellites
- 18th Falcon 9 launch of 2022
- 18th launch by SpaceX in 2022
- 18th orbital launch based out of Cape Canaveral in 2022