Inmarsat 5 F4 – Falcon 9 – Кеннеди LC-39A – 15.05.2017 – 23:21 UTC

[ExDi]

tnt22 пишет:

Max Andriyahov пишет:
А попытка спасения ГО будет?

Скорей всего - НЕТ
 https://www.nasaspaceflight.com/2017/05/expendable-falcon-9-inmarsat-5-f4-launch/

To accommodate the satellite, SpaceX will launch the Falcon 9 in its fully expendable configuration , foregoing an attempt to recover the first stage in order to maximize the mass it can deliver into orbit.

https://spaceflightnow.com/2017/05/14/falcon-9-set-to-launch-inmarsat-satellite-for-in-flight-wifi-mobile-broadband/

 Inmarsat 5 F4 will take all of the Falcon 9's power to soar into as high of an orbit as possible Monday, according to Franci.... "It's not going to be recovered. No element of the first stage or anything else will be recovered. We've taken off all the gear that allows the recovery. We're going to use the entire capacity of the vehicle to bring the satellite to GTO... Parameters for the target orbit are not available, he said, because the upper stage engine is programmed to keep firing until it is almost out of fuel, a technique rocket engineers call a "minimum residual shutdown." The tank-draining burn is intended to ensure the Inmarsat 5 F4 satellite goes into as high of an orbit as possible, reducing the work the craft's own thrusters need to do in the coming months."

Никакого дополнительного оборудования, и будут выжигать топливо досуха. У миссии единственная задача - закинуть спутник как можно выше, чтобы сберечь его ресурс.

[tnt22]

SpaceXUpdates‏ @SpaceXUpdates 2 мин. назад

T-3 Hours to go! The area around the pad will now evacuated for launch. #I5F4

[tnt22]

[tnt22]

Spaceflight Now‏ @SpaceflightNow 6 мин. назад

We're reporting live fr om Kennedy Space Center in Florida, wh ere a Falcon 9 rocket is two hours from launch. Watch: https://spaceflightnow.com/2017/05/15/falcon-9-inmarsat-5-f4-mission-status-center/ ...

[tnt22]

05/16/2017 00:45
The timeline for today's countdown calls for RP-1 kerosene, chilled to around 20 degrees Fahrenheit (minus 6 degrees Celsius), to begin flowing into the two-stage rocket at T-minus 70 minutes. Liquid oxygen loading will follow at T-minus 45 minutes.

A poll of the SpaceX launch team is expected at T-minus 73 minutes to give a "go" for fueling operations.

[tnt22]

[tnt22]

‏ @CwG_NSF 3 мин. назад

Not hearing anything that would prevent start of fueling right on time for an opening of launch window @ 19:21 EDT. #SpaceX #Inmarsat5

[tnt22]

Mary Whenman‏ @marywhenman 1 мин назад

All badged up #SpaceX #I5F4

[tnt22]

[tnt22]

Inmarsat‏Подлинная учетная запись @InmarsatGlobal 1 мин назад

T-1 hour! We have our @SpaceX #I5F4 launch in our sights! Make sure you watch all the live action here: http://www.inmarsat.com/i5f4 

[tnt22]

05/16/2017 01:21
T-minus 60 minutes and counting. Tanking of the Falcon 9 rocket should have begun around 10 minutes ago, but SpaceX has not provided any updates on the progress of the countdown since the planned launch conductor's poll.

[tnt22]

05/16/2017 01:27
Vapors are visible streaming away from the Falcon 9 rocket, an indication that fueling operations have begun.

[tnt22]

05/16/2017 01:29
SpaceX reports all systems are go, and weather is favorable for an on-time liftoff at 7:21 p.m. EDT (2321 GMT).

[tnt22]

[tnt22]

05/16/2017 01:37
Super-chilled, densified liquid oxygen should now be flowing into the two-stage Falcon 9 rocket.
Boths stages of the launcher burn the same RP-1/liquid oxygen propellant mixture.

[tnt22]

@CwG_NSF 3 мин. назад

Flight Director loop just stated "2mins to START of LOX load." That should have happened 8mins ago. They are behind. #SpaceX #Inmarsat5

[tnt22]

@CwG_NSF 2 мин. назад

LOX load has started. They are 10mins BEHIND the published timeline, if the published timeline is accurate. #SpaceX #Falcon9 #INMARSAT5

[tnt22]

05/16/2017 01:49
Liquid oxygen loading was just confirmed to have started at 6:46 p.m. EDT (2246 GMT), about 10 minutes later than advertised.

[tnt22]

@CwG_NSF 3 мин. назад

If they are 10mins behind, launch is now 19:31 EDT. Launch window extends to 20:10 EDT. #SpaceX #Falcon9 #Inmarsat5

[tnt22]

@CwG_NSF 2 мин. назад

To be clear, while LOX load appears to have started late, there's been no announced change to 19:21 ET launch time. #SpaceX #Inmarsat5