Iridium Next Flight 5 (x10) - Falcon 9 (B1041.2) - Vandenberg SLC-4E - 30.03.2018 14:14 UTC

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Chris G - NSF‏ @ChrisG_NSF 31 сек. назад

RP-1 Kerosene load into Stage 2 has now begun. Flight area and Range CLEAR for launch. #SpaceX #Falcon9 #Iridium5

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Spaceflight101 LIVE‏ @S101_Live 3 мин. назад

One hour to today's instantaneous window for Iridium-5, set for the optimized in-plane launch time to reach Plane 1 of the six-plane Iridium constellation. All ten satellites launching today will enter operational slots within Plane 1, no drifting will be required.

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Chris G - NSF‏ @ChrisG_NSF 2 мин. назад

Automated Flight Termination System (AFTS) down-range tracking station reporting GREEN and ready to support launch today.

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https://spaceflightnow.com/2018/03/30/launch-timeline-for-iridiums-fifth-launch-with-spacex/

Launch timeline for Iridium's fifth launch with SpaceX
March 30, 2018 | Stephen Clark

Follow the key events of the Falcon 9 rocket's ascent to orbit with the fifth set of 10 next-generation satellites for Iridium's voice and data relay fleet.

The 229-foot-tall (70-meter) rocket will lift off Friday at 7:13:51 a.m. PDT (10:13:51 a.m. EDT; 1413:51 GMT) Friday from Vandenberg Air Force Base in California.

Спойлер

SpaceX will not attempt to recover the first stage on Friday's mission.

Data source: SpaceX

T-0:00:00: Liftoff


After the rocket's nine Merlin 1D engines pass an automated health check, the Falcon 9 is released from Space Launch Complex 4-East at Vandenberg Air Force Base, California.

T+0:01:16: Max-Q


The Falcon 9 rocket reaches Max Q, the point of maximum aerodynamic pressure. The first stage's nine Merlin 1D engines produce about 1.7 million pounds of thrust.

T+0:02:34: MECO


The Falcon 9's nine Merlin 1D engines shut down.

T+0:02:37: Stage 1 Separation


The Falcon 9's first stage separates from the second stage moments after MECO.

T+0:02:39: Stage 2 Ignition


The second stage Merlin 1D vacuum engine ignites for an approximately 6-and-a-half-minute burn to inject the Iridium Next satellites into a parking orbit.

T+0:03:28: Fairing Jettison


The 5.2-meter (17.1-foot) diameter payload fairing jettisons once the Falcon 9 rocket ascends through the dense lower atmosphere. The 43-foot-tall fairing is made of two clamshell-like halves composed of carbon fiber with an aluminum honeycomb core.
 
T+0:09:02: SECO 1


The Merlin 1D vacuum engine turns off after placing the Iridium satellites in a temporary parking orbit, beginning at 43-minute coast in space.

T+0:52:05: Stage 2 Restart


The Falcon 9's second stage engine ignites again for an 11-second burn to circularize its orbit.

T+0:52:16: SECO 2


The Merlin 1D vacuum engine shuts down after reaching a target orbit about 388 miles (625 kilometers) high with an inclination of 86 degrees.

T+0:57:16: Begin Iridium Deployments


The 1,896-pound (860-kilogram) Iridium Next satellites begin deploying from their two-tier dispenser on the Falcon 9 rocket's second stage, separating at intervals of approximately every 90 seconds.

T+1:12:03: End Iridium Deployments


The last of the 10 Iridium Next satellites will separate from the rocket.

[свернуть]

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03/30/2018 16:30  Stephen Clark

Some statistics on today's launch:

[/li]
• 51st launch of a Falcon 9 rocket since 2010
• 57th launch of Falcon rocket family since 2006
• 9th Falcon 9 launch from Vandenberg Air Force Base
• 31st launch of the upgraded Falcon 9
• 7th upgraded Falcon 9 launch from Vandenberg Air Force Base
• 5th launch for Iridium by SpaceX
• 27th overall launch with Iridium satellites
• 8th launch of Thales Alenia Space payloads on Falcon 9
• 32nd Falcon 9 day launch
• 5th Falcon 9 launch of 2018
• 6th launch by SpaceX in 2018
• 3rd launch from Vandenberg Air Force Base in 2018
  

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Chris G - NSF‏ @ChrisG_NSF 3 мин. назад

Range confirms that is is GO FOR LAUNCH!

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Chris G - NSF‏ @ChrisG_NSF 2 мин. назад

OK. Remember the plan. NO landing recovery for this booster. Likely there will be boost back and landing burns, but for data gathering only. FAIRING RECOVERY attempt is expected w/ Mr. Steven in position to try to catch the fairing.

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Chris G - NSF‏ @ChrisG_NSF 2 мин. назад

T-25mins: All remains GO at this time. There are no technical or weather issues being worked at this time.

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Муззаставка

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Spaceflight101 LIVE‏ @S101_Live 4 мин. назад

#Falcon9 Flight Profile: http://bit.ly/2pGa9VC  Stage 1 operates for 154 sec before heading for a soft splashdown; Stage 2 will burn for 6.5 minutes to reach a preliminary orbit followed by 43min of coasting & a critical re-start to reach a 625km orbit for S/C separation.

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[Старый]

tnt22 пишет: 

Старый пишет: 
Джентльмены, скажите пожалуйста: а есть где-нибудь схема структуры орбитальной группировки Иридимов? Чтоб можно было увидеть где когда какой спутник в какой позиции?

6 опорных плоскостей по 11 КА в каждой + орб. резерв + запас на Земле. Навскидку, первое, что попалось

http://www.n2yo.com/satellites/?c=15&srt=2&dir=0 

Далее не копал...

Спасибо. Состав группировки у меня и так есть. А вот какой спутник в какой позиции? 
 Ато у меня на мой кривой глаз для запуска 2017-003 получается так:

Спутники №№ 105 и 108 переведены в плоскость на 32 градуса левее. 

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Пуск!

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Отд. 1-й ст РН

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Вкл ДУ 2-й ст РН