SpaceX To Launch IntelSat 35e Satellite This Sunday

IntelSat 35e Mission Overview

SpaceX’s Falcon 9 rocket will deliver Intelsat 35e, a commercial communications satellite, to a Geostationary Transfer Orbit (GTO). SpaceX is targeting launch of Intelsat 35e from Launch Complex 39A (LC-39A) at NASA’s Kennedy Space Center in Florida. The 58-minute launch window opens on Sunday, July 2, at 7:36 p.m. EDT, or 23:36 UTC. The satellite will be deployed approximately 32 minutes after launch. A backup launch window opens on Monday, July 3, at 7:37 p.m. EDT, or 23:37 UTC. SpaceX will not attempt to land Falcon 9’s first stage after launch due to mission requirements.

About The IntelSat 35e Payload

An artist’s rendering of Intelsat 35e. Image Credit: Boeing
Earths limb from space.

The fourth of the Intelsat EpicNG next-generation high throughput satellites, Intelsat 35e delivers high performance services in C- and Ku-bands. Its unique payload of C-band wide- and spot-beams enables higher efficiency and improved throughput for demanding applications including wireless backhaul, enterprise and mobility services in regions where weather patterns necessitate use of highly reliable C-band spectrum. The Intelsat 35e Ku-band services include a customized high power wide beam for DTH service delivery in the Caribbean, as well as services for mobility and government applications in the Caribbean, trans-Europe to Africa and the African continent. Intelsat operates the world’s first Globalized Network, delivering high-quality, cost-effective video and broadband services anywhere in the world. Intelsat’s Globalized Network combines the world’s largest satellite backbone with terrestrial infrastructure, managed services and an open, interoperable architecture to enable customers to drive revenue and reach through a new generation of network services.

Mission Timeline

COUNTDOWN
Hour/Min/Sec Events
– 01:03:00 Launch Conductor takes launch readiness poll
– 01:00:00 RP-1 (rocket grade kerosene) loading underway
– 00:35:00 LOX (liquid oxygen) loading underway
– 00:07:00 Falcon 9 begins engine chill prior to launch
– 00:01:00 Flight computer commanded to begin final prelaunch checks
– 00:01:00 Propellant tank pressurization to flight pressure begins
– 00:00:45 SpaceX Launch Director verifies go for launch
– 00:00:03 Engine controller commands engine ignition sequence to start
– 00:00:00 Falcon 9 liftoff

LAUNCH AND SATELLITE DEPLOYMENT
Hour/Min/Sec Events
00:01:18 Max Q (moment of peak mechanical stress on the rocket)
00:02:42 1st stage main engine cutoff (MECO)
00:02:46 1st and 2nd stages separate
00:02:53 Second stage engine starts
00:03:39 Fairing deployment
00:08:37 2nd stage engine cutoff (SECO-1)
00:26:18 2nd stage engine restarts
00:27:10 2nd stage engine cutoff (SECO-2)
00:32:01 Intelsat 35e satellite deployment

Above text from the SpaceX Media Release.

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