NROL-101 - Atlas V 531 (AV-086) - CCAFS SLC-41 - 13.11.2020 22:32 UTC

Автор tnt22, 11.09.2020 16:50:08

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ЦитатаOct 26 23:27

Payload mounted atop Atlas V for launch



Цитата Falcon 9 Block 5 @Falcon9Block5 13 ч. назад

@ulalaunch is targeting Nov 3rd at 6:30PM EDT | 3:30PM PDT | 22:30 UTC for the launch of the #NROL101 Mission for the @NatReconOfc.  This mission will be the first to debut the GEM-63 Solid Rocket Boosters that will be used on #ULA's upcoming #Vulcan rocket. #ATLASV


Цитата ULA @ulalaunch 1 мин. назад

LAUNCH ALERT! The #AtlasV rocket will launch the #NROL101 mission for @NatReconOfc
 and national defense next Tues. Nov. 3 from Cape Canaveral, Florida. Liftoff time is 5:58pmEST (2258 UTC). Live blog and webcast:


Опубликован буклет миссии

mobrochure_nrol101.pdf - 2.25 MB, 2 стр

Циклограмма и профиль выведения расписаны только до 03:19 - сброса ГО. Если без манёвров в полёте - то летим на северо-восток.


Очередной "Джампсит/Трампет"?
СДС/Квазары в 4-метровый ГО умещаются.


Цитата Tory Bruno @torybruno 57 мин. назад

IST (Integrated Systems Test) complete. #NROL101


О трансляции пуска

ЦитатаNov. 3 Live Broadcast: Atlas V NROL-101

Начало трансляции - 3 ноября 2020 г. в 22:35 UTC / 4 ноября 2020 г. в 01:35 ДМВ


ЦитатаOct 29 21:04

Mission Overview

We are less than a week from our next launch! Explore the details of the Atlas V rocket and its launch of the NROL-101 mission in ULA's Mission Overview! Download the PDF!


30.10.2020 11:50:49 #29 Последнее редактирование: 30.10.2020 11:52:21 от tnt22
Цитата: 45SW
Launch Vehicle:  Atlas V NROL-101
Date: November 3
Eastern Range Opens: 5:58 p.m.
Launch Hazard Area
Airspace Closure Area




ЦитатаUnited Launch Alliance to Launch NROL-101 Mission in Support of National Security

Cape Canaveral Air Force Station, Fla., (Oct. 30, 2020) - A United Launch Alliance (ULA) Atlas V rocket is in final preparations to launch the NROL-101 mission for the National Reconnaissance Office (NRO). The launch is on track for Nov. 3 from Space Launch Complex-41 from Cape Canaveral Air Force Station. Launch is planned for 5:58 p.m. EST. The live launch broadcast begins at 5:38 p.m. EST on Nov. 3 at

"ULA is proud to play a pivotal role in support of our mission partners and national security by keeping our country safe one launch at a time," said Gary Wentz, ULA vice president of Government and Commercial Programs. "We thank our mission partners for their continued trust and teamwork. The NROL-101 mission will be ULA's 29th mission launched for the National Reconnaissance Office and the 17th NRO mission launched on an Atlas V."

The mission will launch on an Atlas V 531, a rocket that delivers unique capacity and the performance required for a range of mission types. The 531 configuration launched the first three Advanced Extremely High Frequency (AEHF) satellites for the United States Space Force and will loft a pair of C-band satellites for SES in 2022.

The NROL-101 mission will be the first ULA launch flying the new Northrop Grumman Graphite Epoxy Motors (GEM) 63 solid rocket boosters that burn solid propellant and augment the lifting capacity of rocket's first stage. The GEM 63s measure 63 in. (1.6 meters) in diameter and 66 ft. (20.11 meters) in length. They will be ignited at the launch pad and burn for 94 seconds, each consuming 97,500 pounds (44,225.2 kg) of propellant to produce 371,550 pounds (1.6 mega-Newtons) of max thrust to augment the 860,200 pounds (3.83 mega-Newtons) of thrust produced by the RD-180 main engine to power the Atlas V rocket skyward. At liftoff, the combined thrust will be nearly 1.8 million pounds or 8 million mega-Newtons.

The Atlas V 531 configuration includes a 17 ft. (5 meter) payload fairing and stands 206 ft. (63 meters) tall. The Atlas booster for this mission is powered by the RD AMROSS RD-180 engine. Aerojet Rocketdyne provided the RL10C-1 engine for the Centaur upper stage.

This will be the 86th launch of the Atlas V rocket and the 71st Atlas V to launch from Space Launch Complex-41 in Florida. To date ULA has launched 140 times with 100 percent mission success.

With more than a century of combined heritage, ULA is the nation's most experienced and reliable launch service provider. ULA has successfully delivered 140 missions to orbit that aid meteorologists in tracking severe weather, unlock the mysteries of our solar system, provide critical capabilities for troops in the field, deliver cutting-edge commercial services and enable GPS navigation.


Опубликовано кведомление мореплавателям на закрываемые при пуске 4 зоны в сев. Атлантике (зона космодрома, зоны падения боковых ТТУ, ГО и 1-й ст РН)

ЦитатаNAVAREA IV 1047/20(GEN).
  032258Z TO 040129Z NOV, ALTERNATE
  042254Z TO 050126Z NOV
  A. 28-38-50N 080-37-34W, 29-58-00N 079-28-00W,
      29-54-00N 079-21-00W, 29-34-00N 079-36-00W,
      29-15-00N 079-45-00W, 28-36-00N 080-23-00W,
      28-30-57N 080-33-15W.
  B. 30-01-00N 079-33-00W, 31-08-00N 078-36-00W,
      30-54-00N 078-14-00W, 29-47-00N 079-11-00W.
  C. 36-38-00N 073-35-00W, 39-03-00N 071-00-00W,
      38-30-00N 070-13-00W, 36-05-00N 072-46-00W.
  D. 51-37-00N 049-45-00W, 53-32-00N 044-58-00W,
      52-54-00N 044-15-00W, 51-03-00N 049-07-00W.
2. CANCEL THIS MSG 050226Z NOV 20.//


Цитата Cosmic Penguin @Cosmic_Penguin 5 ч. назад

Molniya Orbit? 

Цитата Michael Cain @mdcainjr 14 ч. назад

Hazard report for ULA's NROL-101 launch scheduled for Tuesday afternoon


 Dr Marco Langbroek @Marco_Langbroek 3 ч. назад

In am a bit puzzled by this launch. Launch azimuth is for  a 56-degree orbit. Molniya would require a dog-leg then (certainly possible). The last hazard area (one of four, so one would expect this to be for the Centaur) is in an odd location.

 Cosmic Penguin @Cosmic_Penguin 3 ч. назад

IIRC Molniya from the Cape always requires a dogleg (wasn't 57 degrees inc. the limit? I certainly remember it was for the Shuttle).

 Dr Marco Langbroek @Marco_Langbroek 2 ч. назад

Yes it does.

 Dr Marco Langbroek @Marco_Langbroek 2 ч. назад

В ответ @Marco_Langbroek и @Cosmic_Penguin

After some discussion with a.o. @cgbassa: it appears consistent with a launch into Molniya orbit (including a dog-leg, somewhere halfway on the dotted line below)


 Gunter Krebs @Skyrocket71 1 ч. назад

Some Lacrosse/Onyx radar satellites were launched into 57° orbits.  While the next gen. Topaz Block 1 satellites all went to retrograde orbits, phps this is Topaz Block2 satellite, reverting to the old 57° orbit. Topaz Bl 1 also used the medium 5m fairing, but an Atlas V-501

 Dr Marco Langbroek @Marco_Langbroek 1 ч. назад

I haven't seen a deorbit NavWarning for the Centaur stage so far. If that appears, it might shed some light.


30.10.2020 21:38:29 #35 Последнее редактирование: 31.10.2020 00:01:03 от tnt22
Прогноз погоды L-4 на 3 ноября 2020 г. (UTC)

Atlas V L-101 L-4 Day Forecast for 3 Nov Launch

Цитата: 45 SWПусковой день   (03.11) - 80 % GO
Резервный день (04.11) - 70 % GO


ЦитатаOct 30, 2020 19:26

Weather 80% GO for Tuesday's Launch

Launch Weather Officer Jessica Williams' initial forecast for Tuesday's 5:58 p.m. EST (2258 UTC) launch of Atlas V and the NROL-101 mission indicates an 80 percent chance of favorable conditions. Ground winds are the only concern.

"For launch day Tuesday, strong high pressure over the northern Gulf states weakens and moves east into the Carolina's. In response, winds are forecast to be sustained near 18 knots with gusts to 25 knots from the northeast through early evening on Tuesday. The onshore winds will bring stable scattered stratocumulus clouds with little to no threat of cloud violations," the launch weather team says.

The operations forecast includes scattered low-level clouds, good visibility, northeasterly winds 18 to 25 knots and a temperature near 74 degrees F.

If the launch is delayed to Wednesday for some reason, there is a 70 percent chance of good conditions.

"For backup day Wednesday, continued onshore flow and winds from the east bring increased cloud cover with a spotty light rain shower moving onshore possible. Therefore the primary concerns for backup day are the Cumulus Cloud Rule and Ground Winds," forecasters report.



Цитата NRO @NatReconOfc 12 ч. назад

The NROL-101 mission patch pays tribute to the Lord of the Rings stories, with a gold ring and Elvish script that translates to "Goodness Persists". Tune in for launch on Nov. 3, broadcast starts at 5:38pm EST / 2238 UTC here:


ЦитатаOct 31, 2020 17:11

Launch Readiness Review Completed

Leadership from United Launch Alliance (ULA), the National Reconnaissance Office (NRO) and the Space Force held the Launch Readiness Review (LRR) today for the Atlas V rocket on the NROL-101 mission and gave a "go" to continue preparations for liftoff Tuesday at 5:58 p.m. EST (2258 UTC). The mission will originate from Space Launch Complex-41 at Cape Canaveral Air Force Station in Florida.

The LRR, led by ULA Launch Director Tom Heter III, took place in the Atlas Spaceflight Operations Center (ASOC) at the Cape and virtually via teleconferencing to assess the readiness of the rocket and mission assets, the status of pre-flight processing work and previewed the weather forecast that has improved to a 90 percent chance of acceptable conditions.

At the conclusion of the meeting, senior leaders were polled and gave a unanimous ready status for launch, then signed the Launch Readiness Certificate.

The NRO is an Intelligence Community element and Department of Defense organization responsible for developing, acquiring, launching and operating America's reconnaissance satellites, as well as operating associated data processing facilities in support of national security. Using NRO data, the National Security Agency, National Geospatial-Intelligence Agency, and other NRO mission partners produce intelligence products for the President, Congress, national policymakers, warfighters and civil users.

ULA will offer live reports from the ASOC in our automatically-refreshing blog during the Atlas V's rollout to the launch pad on Monday, plus provide comprehensive countdown coverage beginning Tuesday at 11:00 a.m. EST (1600 UTC), with continuing commentary all the way to liftoff.