launch of SpaceX from Florida; Delayed California launch

Watch the SpaceX Falcon 9 rocket countdown and launch live at 11:50 pm EST (0450 GMT) from Space Launch Complex 40 at Cape Canaveral Space Force Station in Florida with 40 OneWeb Internet Satellites. follow us twitter.

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SpaceX plans to launch a Falcon 9 rocket from Cape Canaveral at 23:50 EST on Monday (0450 GMT on Tuesday), along with 40 other internet satellites for OneWeb. The Falcon 9 booster will return to Cape Canaveral to land eight minutes later.

Bad weather delayed SpaceX’s launch of another Falcon 9 rocket from Vandenberg Space Force Base in California on Monday night. This mission must launch 35 minutes before the OneWeb mission from Cape Canaveral.

The weather forecast for Florida looks very favorable on Monday night, with more than a 90% chance of good weather for the launch of the 40 OneWeb satellites.

The SpaceX launch team, working in the control center outside the gates of the Cape Canaveral Space Force Station, will begin loading supercooled boosters of dense liquid oxygen and kerosene into the Falcon 9 vehicle. minutes.

Helium pressure will also flow into the rocket during the last half hour of the countdown. During the last seven minutes before takeoff, the Falcon 9’s Merlin main engines are thermally stabilized for flight through a process known as “cooling down.” The Falcon 9’s range guidance and protection systems will also be configured for launch.

SpaceX’s Falcon 9 rocket is on Pad 40 in preparation for the launch of the OneWeb 16 mission. Credit: Michael Caine/Space Travel Now/Gold Life Photography

Upon liftoff, the Falcon 9 rocket will be powered by nine Merlin engines, displacing 1.7 million pounds of thrust. Launched from California, the missile will head southeast over the Pacific Ocean, fly west of Baja California and aim for an orbit inclined at 70 degrees to the equator. Departing from Pad 40 at Cape Canaveral, Falcon 9 will first head southeast, then turn south and fly parallel to Florida’s east coast, aiming for a polar orbit with an 87-degree inclination.

The launcher will exceed the speed of sound in about a minute and shut down its nine main engines about two and a half minutes later.

The booster stage will separate from the Falcon 9’s upper stage, fire pulses of cold gas control thrusters, and extend titanium grille fins to help propel the vehicle through the atmosphere. The lighter weight of the 40 OneWeb satellites will allow the Falcon 9 booster to reserve enough fuel for the return-to-launch maneuver, which requires additional burning to return to Cape Canaveral.

A recovery vessel is also in the Atlantic Ocean to retrieve the Falcon 9’s payload fairing after it has been unloaded from the rocket.

A photo from a previous mission showing the 40 OneWeb satellites mounted in the dispenser before being attached to SpaceX’s payload fairing. Credit: One Web

The mission will target a 373-mile-high orbit inclined at 87 degrees to the equator. Falcon 9’s upper stage will launch 40 OneWeb satellites 59 minutes later. The satellites will use xenon-powered propulsion systems to reach an altitude of 1,200 kilometers above Earth.

OneWeb’s launch from Cape Canaveral will be the second of four SpaceX missions scheduled for the broadband internet provider, which stopped launching Russian Soyuz rockets last year after Russia invaded Ukraine. Within weeks, SpaceX and New Space India Ltd. will launch Falcon 9 and Indian GSLV Mk.3 rockets to build OneWeb’s satellite network. or signed new contracts with NSIL.

The 40 satellites aboard the Falcon 9 rocket will bring the total number of OneWeb spacecraft to 544. OneWeb needs 588 operational satellites to complete its first-generation broadband network, or nearly 650 spacecraft including spares.

Adding additional relay stations to the constellation extends the reach of the network. OneWeb already provides Internet services to communities in Alaska, Canada and Northern Europe where there is no terrestrial fiber connection. The 40 satellites launched on Monday night will help bring Southern Europe, the United States, North Africa, the Middle East, Japan and parts of Australia and India within reach of OneWeb.

OneWeb’s deal with SpaceX surprised many satellite industry observers, as OneWeb is an indirect competitor in the broadband market. SpaceX sells the Starlink service directly to consumers, while OneWeb sells to businesses, Internet service providers, shipping companies and airlines to provide connectivity to businesses or entire communities.

Rockets: Falcon 9 (B1076.2)

Payloads: 40 OneWeb satellites (OneWeb 16)

Launch sites: SLC-40, Cape Canaveral Space Force Station, Florida

Release date of: Jan. 9, 2023

Release time: 23:50:17 (04:50:17 GMT)

Weather forecast: Over 90% chance of good weather in Cape Canaveral

Increase recovery: Landing Zone 1 at Cape Canaveral Space Force Station

Initialize the azimuth: Southeast, then south of Cape Canaveral

target orbit: 373 miles (600 kilometers), 87 degree incline

Launch schedule for OWEB 16:

  • T+00:00: Takeoff
  • T+01:12: Maximum air pressure (Max-Q)
  • T+02:18: First stage main engine shutdown (MECO)
  • T+02:21: Phase separation
  • T+02:28: Secondary engine ignition
  • T+02:34: First stage reverse ignition
  • T+03:21: First stage breech cut
  • T+03:34: Flattened fairing
  • T+06:20: First stage input combustion ignition
  • T+06:36: First stage suction combustion shutdown
  • T+07:27: Landing rocket first stage ignition
  • T+07:56: First landing stage
  • T+08:32: Secondary mechanical cut (SECTION 1)
  • T+55:14: Secondary motor reset (SES 2)
  • T+55:17: Secondary mechanical cut (SECTION 2)
  • T+58:49: Separation of the first OneWeb satellites
  • T+01:35:17: Separation of the last OneWeb satellites

Job stats:

  • 196th launch of a Falcon 9 rocket since 2010
  • 205th Falcon rocket family launch since 2006
  • 2nd version of the Falcon 9 B1076 booster
  • SpaceX’s 168th launch from Florida’s Space Coast
  • 109th Falcon 9 launch from Pad 40
  • Bad 40’s 164th overall release
  • 135th flight of a repurposed Falcon 9 booster
  • 2nd launch of SpaceX for OneWeb
  • 16th global launch for OneWeb
  • Launch of the 2nd Falcon 9 in 2023
  • 2nd SpaceX launch in 2023
  • 2nd orbital launch from Cape Canaveral in 2023

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