SpaceX launches largest payload on Falcon 9 rocket – Spaceflight Now

SpaceX launches largest payload on Falcon 9 rocket – Spaceflight Now

“Our actions will permit SpaceX to start deploying Gen2 Starlink, which is able to deliver the subsequent era of satellite tv for pc broadband to People throughout the nation, together with those that stay and work in areas historically unserved or underserved by terrestrial programs,” it wrote partially. The FCC in its Dec. 1 order. approval of the Starlink Gen2 constellation. “Our actions can even make satellite tv for pc broadband obtainable worldwide, serving to to shut the digital divide on a world scale.

“On the identical time, this restricted grant and associated situations will shield different satellite tv for pc and terrestrial operators from dangerous interference and keep a secure house atmosphere by selling competitors and defending spectrum and orbital sources for future use,” the FCC wrote. “We’re deferring motion on the rest of SpaceX’s bid presently.”

Particularly, the FCC licensed SpaceX to launch the primary block of seven,500 Starlink Gen2 satellites into 525-, 530-, and 535-kilometer orbits at 53-, 43-, and 33-degree inclinations, respectively, utilizing Ku-band and Ka-band frequencies. . The FCC has delayed a choice on SpaceX’s request to function Starlink Gen2 satellites in increased and decrease orbits.

Like final month’s first Gen2 launch, Thursday’s Starlink 5-2 mission was aimed toward a 530-kilometer (329-mile) excessive orbit with an inclination of 43 levels to the equator.

The Starlink 5-2 mission will add 56 extra satellites to SpaceX’s Starlink Web Community. Posted by Spaceflight Now

SpaceX at present has almost 3,400 operational Starlink satellites in house, of which greater than 3,100 are operational and roughly 200 are shifting into their operational orbits. in response to Jonathan McDowell’s deskspaceflight monitoring professional and astronomer on the Harvard-Smithsonian Middle for Astrophysics.

The primary-generation Starlink community structure consists of satellites that fly a number of hundred miles and rotate at angles of 97.6 levels, 70 levels, 53.2 levels, and 53.0 levels to the equator. Most up-to-date SpaceX Starlink launches have launched satellites into the 53.2-degree inclined Shell 4, after the corporate principally accomplished launches into the 53-degree inclined first shell final yr.

Shell 5 of the Starlink community was believed to be one of many polar-orbital layers of the constellation with an inclination of 97.6 levels. However the naming of the primary Gen2 missions — Starlink 5-1 and 5-2 — appears to point that SpaceX has modified the naming scheme for Starlink shells.

SpaceX’s launch staff was positioned on the launch management middle south of the House Drive Station at Cape Canaveral for Thursday’s predawn countdown. SpaceX started loading supercooled, compressed fuel and liquid oxygen into the Falcon 9 automobile at T-minus 35 minutes.

Over the last half hour of the countdown, helium additionally entered the rocket. Within the final seven minutes earlier than liftoff, the Falcon 9 Merlin’s most important engines had been thermally ready for flight utilizing a process often called “cooling down.” The Falcon 9’s steerage and security programs had been additionally configured for launch.

After liftoff, the Falcon 9 rocket directed its 1.7 million kilos of thrust, generated by 9 Merlin engines, to go southeast over the Atlantic Ocean. SpaceX resumed launches this winter, utilizing the southeast hall from Cape Canaveral quite than the northeast trajectories to make the most of higher sea situations for touchdown the primary stage of the Falcon 9 launch automobile.

In the course of the summer season and fall, SpaceX launched Starlink missions on routes northeast of Florida’s House Coast.

The Falcon 9 rocket exceeded the pace of sound in about one minute, then shut down its 9 most important engines two and a half minutes after liftoff. The booster stage separated from the Falcon 9 higher stage after which fired pulses from the chilly fuel thrusters and prolonged titanium lattice fins to assist propel the automobile again into the ambiance.

Two brake burns slowed the rocket to land on the Simply Learn the Directions drone ship about 410 miles (660 kilometers) about 9 minutes after liftoff. The reusable launch automobile, designated B1067 in SpaceX’s stock, accomplished its ninth journey into house on Thursday.

The reusable Falcon 9 payload fairing was ejected through the second stage burn. An evacuation ship was additionally within the Atlantic to retrieve the 2 halves of the nostril cone after they dropped underneath the parachutes.

The touchdown of the primary stage throughout Thursday’s mission occurred because the Falcon 9’s second stage engine shut right down to ship the Starlink satellites into orbit.

The 56 Starlink spacecraft, constructed by SpaceX in Redmond, Washington, separated from the Falcon 9 rocket 19 minutes after liftoff. SpaceX’s floor staff was ready for affirmation of the spacecraft’s deployment part when the rocket flew inside vary of a monitoring station in Australia about an hour after launch.

Falcon 9’s steerage laptop was supposed to launch the satellites into an elliptical orbit inclined 43 levels to the equator with an altitude of 131 to 209 miles (212 by 337 kilometers). After separating from the rocket, the Starlink 56 spacecraft will deploy its photo voltaic arrays and carry out automated activation steps, then use ion thrusters to maneuver into its operational orbit.

ROCKET: Falcon 9 (B1067.9)

PAYLOAD: 56 Starlink satellites (Starlink 5-2)

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

LAUNCH DATE: January 26, 2023

LAUNCH TIME: 4:32:20 EST (09:32:20 GMT)

WEATHER FORECAST: 70% probability of truthful climate; Low to average higher stage wind threat; Low threat of opposed situations for booster restoration

BOOSTER RECOVERY: Simply learn the directions drone ship northeast of the Bahamas

LAUNCH AZIMUTH: South-eastern

TARGET ORBIT: 131 miles by 209 miles (212 kilometers by 337 kilometers), inclination angle 43.0 levels


  • T+00:00: Begin
  • T+01:12: Most aerodynamic strain (Max-Q)
  • T+02:28: First stage most important engine shutdown (MECO)
  • T+02:31: Splitting the scene
  • T+02:38: Second stage engine ignition
  • T+02:42: Throwing the fairing
  • T+06:42: First entry stage ignition (three engines)
  • T+07:00: First stage entry cutoff
  • T+08:23: First stage touchdown burn ignition (one engine)
  • T+08:43: Second stage engine shutdown (SECO 1)
  • T+08:44: First stage touchdown
  • T+18:49: Separation of the Starlink satellite tv for pc


  • 199th Falcon 9 launch since 2010
  • The 209th launch of the Falcon household of rockets since 2006
  • The ninth launch of the Falcon 9 launch automobile B1067
  • 171st Falcon 9 launch from Florida’s House Coast
  • The 111th Falcon 9 launch from Pad 40
  • 166th total launch from pad 40
  • The 141st flight of a reusable Falcon 9 launch automobile
  • The 69th launch of the Falcon 9 is especially concerning the Starlink community
  • Fifth Falcon 9 launch in 2023
  • Sixth SpaceX launch in 2023
  • fifth orbital launch try from Cape Canaveral in 2023

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