SpaceX Falcon 9 - SES-11/EchoStar 105

  SpaceX Falcon 9 Full Thrust - SES-11/EchoStar 105 - Launching October 11, 2017

Screenshot of SES-11/EchoStar 105 sunset launch with Tim Dodd as host

Mission Rundown: SpaceX FT - SES-11/EchoStar 105

Written: January 23, 2021

Lift Off Time	October 11, 2017 - 22:53 UTC - 17:53 EST
Mission Name	SES-11/EchoStar 105
Launch Provider	SpaceX
Customer	SES S. A. EchoStar Corporation
Rocket	Falcon 9 Full Thrust serial number B1031-2
Launch Location	Kennedy Launch Complex 39A (LC-39A) Kennedy Space Center, Florida
Payload	Eurostar 3000 Communication Satellite
Payload mass	5 200 kg ~ 11 500 lb
Where did the satellite go?	Geostationary Transfer Orbit - 313 x 40 517 km x  27,88o inclination - Target GEO at 105o west
Will they be attempting to recover the first stage?	Yes - OCISLY is being towed downrange
Where will the first stage land?	OCISLY is waiting downrange to the east
Will they be attempting to recover the fairings?	Yes? - Large parts were brought back
Are these fairings new?	Yes - Two Type 1 boat hull sized fairings - 34 x 17 feet with 10 evenly spaced ventilation ports in a circle
This will be the:	– 43rd flight of all Falcon 9 rockets – 20th flight of Falcon 9 Full Trust “V1.2” booster  – 3rd re-flight of a Falcon 9 FT booster – 12th SpaceX launch from LC-39A – 18th booster landing overall – 15th mission for SpaceX in 2017 – 2nd launch within this week
Where to watch Where to read more	SpaceX link Other link Tim Dodd old video stream Found this rare fly by night view by chance

Launch debriefing (This is what happend)

- - T-00:13:27 Host: T 00:00:00 T+00:01:10 T+00:02:35 - T+00:02:48 T+00:03:35 - T+00:06:30 - T+00:08:12 - T+00:08:40 - T+00:24:35 T+00:27:07 - T+00:36:09 - -

Pre Launch Mission Rundown from 0:01 then Q&A First mentioning of studio chalkboard behind Tim SpaceX live feed at 14:38 Tom Praderio tell us all about it during dinner time Liftoff at 28:08 - Only 1st stage telemetry shown MaxQ at 29:17 - 2-3 second delay on downlink MECO 30:42 - stage separation 30:44 Velocity 8 246 km/h - Altitude 65,4 km in 155 seconds SES-1 at 30:55 - Velocity ??? km/h - Altitude ??? km Faring separation at 31:43 Coast Velocity 7 398 km/h - Max Altitude 119 km Entry burn 34:37 by 3 Merlin 1D+ for 19 seconds Velocity 8 335 - 6 999 km/h - Altitude 58,5 - 40,1 km Landing burn 36:20 by 1 Merlin 1D+ for 21 seconds Velocity 4 792 - 0 km/h - Altitude 19,4 - 0 km - No data SECO at 36:48 velocity ??? km/h - Altitude ??? km Q&A until 54:12 SpaceX resumes live feed at 54:14 SES-2 - SECO-2 in 54 seconds gave a velocity boost from 26 429 km/h to 35 263 km/h at 55:14 SpaceX shows deployment at 1:04:17 Rap up from Tim Dodd at 1:05:02 with Q&A Both fairings crash landed in the sea

Formosat 5	OTV-5	Iridium-3 Next	Echostar 105 SES-11	KoreaSat 5A
CRS-13	Iridium-4 Next	ZUMA	GovSat-1 SES-16	Falcon Heavy 1

Flying into the night is such a sight

SpaceX is targeting the launch of a Falcon 9 with a reused booster B1031-2 with EchoStar 105/SES-11 from Launch Complex 39A - LC-39A at NASA’s Kennedy Space Center, Florida. The two-hour launch window opens on Wednesday, October 11 at 6:53 p.m. EDT, or 22:53​ UTC. The satellite will be deployed approximately 36 minutes after liftoff.

There was a successful landing on ASDS “Of Course I Still Love You” about T+08:33 after liftoff from LC-39A some kilometer downrange. Landing of the first stage B1031-2 was successful, but resulted in a fire from a leak somewhere in the engine section; the onboard fire hoses put out the flames shortly after landing.

This is the third time SpaceX will be reflying a booster. This flight-proven booster B1031-2 has flown once before for mission CRS-10 in February 2017. This is the 15th launch for SpaceX this year and 43rd launch of the Falcon 9 overall.

The Payload

SES-11/EchoStar 105 is a shared geostationary communications satellite operated by SES S.A. and EchoStar. It’s designed and manufactured by Airbus Defence and Space. It has a mass of 5,200 kilograms (11,500 lb) and has a design life of at least 15 years.

The spacecraft had been ready to beam television programming and video services across the Americas for SES and EchoStar. The launch vehicle has placed the satellite into a high-altitude supersynchronous transfer orbit.

On 11 October 2017, a flight-proven (refurbished) SpaceX Falcon 9 rocket launched the SES-11 satellite to the geostationary orbital position of 105.0° West. The launch was originally set for late 2016 but suffered a year-long delay because of SpaceX's Amos-6 September 2016 Falcon 9 explosion.

SES-11 was built by Airbus Defence and Space and is a dual mission satellite, with 24 Ku-band transponders marketed by EchoStar as EchoStar 105 to replace capacity on SES' AMC-15 satellite, and 24 C-band transponders marketed by SES as SES-11 for replacement capacity for AMC-18 delivering video, especially HD and UHD, to the United States, Mexico and the Caribbean. Following positioning at 105.0° West and in-orbit testing, SES-11 was declared fully operational on 29 November 2017.

Chain gang

Working on a chain gang. B1031-2 “I’ll be back” is back in Port Canaveral. John Krauss.

This picture tells us that 4 tripods hold the weight of the Falcon 9 rocket in its launch hold down clamps just under the landing leg hinges, and that 8 heavy duty safety chains are welded to the drone ships deck plates and tightened fast to prevent lateral movements.

The Man on deck indicates that there is 5-6 feet to the bottom rim of the engine bells of the Falcon 9 Merlin 1D+ engines. The scale of the Falcon 9 rocket is impressive. It literally is a “tower” of human rocket engineering.

Author  link

Coauthor/Text Retriever Johnny Nielsen link to launch list