Cygnus OA-7 (CRS-7) - Atlas V - Canaveral SLC-41 - 18.04.2017 15:11 UTC

Автор Salo, 17.10.2016 22:39:37

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tnt22

Цитировать NASA Glenn Research‏Подлинная учетная запись @NASAglenn 3 ч назад

#Saffire III has successfully completed! Data will download overnight and images are expected Tuesday, June 6.

tnt22


zandr

https://ria.ru/science/20170605/1495846425.html
ЦитироватьИнженеры НАСА устроили третий "мегапожар" в космосе
МОСКВА, 5 июн — РИА Новости. Астронавты НАСА подготовили частный космический грузовик Cygnus для проведения на нем третьего мощного пожара в космических условиях, которые НАСА разжигает на борту отработавших свое космических кораблей для борьбы с пожарами при полете на Марс и другие планеты, сообщает онлайн-издание Space.com
"Только недавно у нас появился первый шанс устроить реалистичный пожар в космосе, и эксперименты Saffire уже помогли и помогут нам понять, как огонь ведет себя при отсутствии гравитации. Последующие опыты, Saffire-4,5 и 6, помогут нам сделать пожары еще более масштабными и проверить первые системы по их тушению и избавлению от их последствий", — заявил Дэвид Урбан, руководитель эксперимента из Исследовательского центра НАСА имени Гленна.
Серия экспериментов Saffire была начата Урбаном и его коллегами в прошлом году в рамках подготовки НАСА к полету к более далеким мирам Солнечной системы. В рамках первого "космического пожара" Saffire-1 НАСА подожгло небольшой кусок ткани размерами 40 на 40 сантиметров в отработавшем корабле Cygnus, пролетевшем в горящем виде около трех тысяч километров.
В ходе повторного эксперимента — Saffire-2 — Урбан и его коллеги проверили, как обогащенная кислородом атмосфера, применяемая на кораблях НАСА, влияет на вероятность развития возгорания. Следующий эксперимент, проведенный сегодня ночью, включал в себя более масштабный пожар, который продлился около 20 минут и происходил в условиях, имитирующих жизненную среду на борту МКС.
В рамках этого эксперимента ученые изучили то, как скорость потоков воздуха влияет на скорость горения ткани, и проследили за тем, как микрогравитация сказывается на распространении продуктов горения и их взаимодействии с окружающей средой.
По словам представителей Исследовательского центра НАСА имени Гленна, эксперимент закончился удачно, ученым удалось поджечь ткань и проследить за ее сгоранием. Первые фотографии и научные данные будут опубликованы на сайте агентства во вторник.
На этом жизнь "сгоревшего лебедя", в отличие от его предшественников, не заканчивается: НАСА планирует проводить другие эксперименты на борту этого корабля до 11 июня, когда он войдет в плотные слои атмосферы и повторно сгорит.


tnt22

Цитировать#581:
# Saffire III has successfully completed ! Data will download overnight and images are expected Tuesday, June 6.
Цитировать Orbital ATK‏Подлинная учетная запись @OrbitalATK 14 мин. назад

We have fire! Take a look at this video of the #Saffire experiment @NASAglenn performed aboard our #Cygnus spacecraft earlier this week
Цитировать NASA Glenn Research‏Подлинная учетная запись @NASAglenn 18 мин. назад

A first look at our latest fire in space! More on the #Saffire experiment & why we're studying fire in microgravity: http://go.nasa.gov/2s9dSOz

Video

tnt22

С борта Лебедя OA-7 запущены 4 кубосата
Цитировать Spire‏ @SpireGlobal 2 ч. назад

Welcome to orbit LEMUR2-JENNYBARNA LEMUR2-ANGELA LEMUR2-SPIROVISION and LEMUR2-ROBMOORE! Thanks @NanoRacks @OrbitalATK @Space_Station @NASA!

 
Orbital ATK‏Подлинная учетная запись @OrbitalATK 2 ч. назад

CubeSat deployment from @NanoRacks deployer aboard S.S. John Glenn #Cygnus is complete!

tnt22

Цитироватьtnt22 пишет:
С борта Лебедя OA-7 запущены 4 кубосата
Цитировать NanoRacks‏Подлинная учетная запись @NanoRacks 8 июня

Deploy times today were 17:53 and 21:03 GMT #ExternalCygnus

tnt22

http://nanoracks.com/nanoracks-deploys-cubesats-from-cygnus-spacecraft-demonstrates-future-reusability-goals/
ЦитироватьNanoRacks Deploys CubeSats fr om Cygnus Spacecraft, Demonstrates Future Reusability Goals

June 9, 2017          //



Houston, TX – June 9, 2017 – Yesterday evening, NanoRacks successfully deployed four Spire LEMUR-2 CubeSats from Orbital ATK's Cygnus spacecraft at a nearly 500-kilometer orbit. This was the second mission wh ere NanoRacks deployed CubeSats at an altitude above the International Space Station orbit, and the third External Cygnus Deployment (E-NRCSD) mission overall.
Спойлер
NanoRacks, working with Orbital ATK and NASA, has continued to grow the External Cygnus Deployment program, which is focused on extending the mission of cargo vehicles after their primary stay at the ISS. Spire has been the flagship customer for this deployment platform, growing their fleet of weather and ship-tracking CubeSats, now with 12 satellites deployed via E-NRCSD, and 20 overall via NanoRacks.

This program is a stepping-stone into NanoRacks larger goal of reusing in-space hardware for creation of commercial space stations and habitats. The Company publicly announced this goal upon being awarded funding by NASA's NextSTEP Phase-II Program for studying reusability of the upper stages of rockets, along with partners at Space Systems Loral (SSL) and United Launch Alliance (ULA).

"This program is unique for a number of reasons," says NanoRacks Mission Manager, Henry Martin. "Not only are we deploying exciting commercial satellites, but we're also at the tipping point for showing the limitless possibilities of repurposing in-space vehicles. Our customer base is growing for future missions, and we have plans to expand our opportunities within the next year. Our entire satellite team looks forward to continuing to work with Orbital ATK on the multipurpose use of the Cygnus spacecraft."
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The release of these four Spire LEMUR-2 CubeSats completes the NanoRacks' deployments from the Orbital ATK Commercial Resupply Services Mission-7 (OA-7), which also included 34 additional satellites deployed from the NanoRacks CubeSat Deployer (NRCSD) on the International Space Station.

The OA-7 launch brought the Company's largest CubeSat mission to date into orbit, totaling 38 satellites.
Спойлер
Availability remains for satellite customers interested in launching on the Orbital ATK CRS-9 E-NRCSD Mission, with additional availability as well as on Orbital ATK CRS-10 and beyond. To book your spot, email NanoRacks at info@nanoracks.com.

Thank you to NASA, the ISS Program Office, and Orbital ATK for their continued support on this program.

Download the press release PDF here.

For media inquiries, please contact Abby Dickes at adickes@nanoracks.com.
For continued updates, follow @NanoRacks on Twitter.

About NanoRacks

NanoRacks LLC was formed in 2009 to provide commercial hardware and services for the U.S. National Laboratory onboard the International Space Station via a Space Act Agreement with NASA. NanoRacks' main office is in Houston, Texas, right alongside the NASA Johnson Space Center. The Business Development office is in Washington, DC. Additional offices are located in Silicon Valley, California and Leiden, Netherlands.

In July 2015, NanoRacks signed a teaming agreement with Blue Origin to offer integration services on their New Shepard space vehicle. NanoRacks, along with partners at ULA and Space Systems Loral was also recently selected by NASA to participate in the NextSTEPs Phase II program to develop commercial habitation systems in low-Earth orbit and beyond.

As of June 2017, over 550 payloads have been launched to the International Space Station via NanoRacks services, and our customer base includes the European Space Agency (ESA) the German Space Agency (DLR,) the American space agency (NASA,) US Government Agencies, Planet Labs, Millennium Space Systems, Space Florida, NCESSE, Virgin Galactic, pharmaceutical drug companies, and organizations in Vietnam, UK, Romania and Israel.
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tnt22

Запущенные с борта Лебедя OA-7 кубосаты занесены в каталог НОРАД под номерами 42752 ÷ 42755
 
Наборы TLE пока не опубликованы

tnt22

2017-06-10 НОРАД опубликовал первичные наборы TLE
 

tnt22

https://www.nasaspaceflight.com/2017/06/oa-7-cygnus-eom-oa-8-sept-launch/
Цитировать...

Yesterday, Cygnus' controller in the Orbital ATK control room in Dulles, Virginia, began the process of preparing the craft for reentry.



A series of three engine firings on Saturday began at 11:50:19 EDT with the A4DV burn.  This 285 second maneuver changed Cygnus' velocity by 25.42 m/s and began the process of lowering Cygnus' altitude – which had been raised from the Space Station's ~400km orbit to 500km for Cubesat deployment.

The A5DV followed at 12:34:36 EDT, a 307 second thruster firing that further altered the OA-7 craft's velocity by 27.62 m/s.

The final DV burn, A6DV, commenced at 13:20:25 EDT. A relatively small burn by comparison, the 85 second pulse from Cygnus' engines changed the S.S. John Glenn's velocity by 7.68 m/s.
These burns set Cygnus up for its farewell.



Deorbit operations will then begin on Sunday, 11 June at 08:00:47 EDT with the DDV1 burn – a 689 second firing of Cygnus' thrusters that will reduce the craft's speed by 62.98 m/s and set the spacecraft on a precise course for its deorbit burn.

The deorbit burn, known as RDV, will then commence at 12:36:59 EDT (16:36:59 GMT).
The burn will last 5.5 minutes and will slow Cygnus by the final 30.82 m/s needed to send the craft into its death plunge into Earth's atmosphere.

Entry Interface – the moment Cygnus encounters the first traces of Earth's upper atmosphere – will occur at 13:12 EDT (17:12 GMT), with the destruction of the spacecraft occurring soon thereafter.

...

tnt22

Цитировать Chris B - NSF‏ @NASASpaceflight 1 мин. назад

Timeline: OA-7 Cygnus RDV burn. 5.5 min thruster firing. Retrograde. Velocity reduction of 30.82 m/s. Entry Interface 12 mins past the hour.

tnt22

Цитировать Orbital ATK‏Подлинная учетная запись @OrbitalATK 4 мин. назад

The S.S. John Glenn #Cygnus has successfully completed its reentry burn. Entry interface is predicted for approx. 1:02 pm EDT

tnt22

#593
Цитировать Orbital ATK‏Подлинная учетная запись @OrbitalATK 35 сек. назад

We are excited to announce that the S.S. John Glenn #Cygnus has successfully completed its mission http://bit.ly/2r85N94  #OA7
http://www.orbitalatk.com/news-room/release.asp?prid=261
Цитировать
Orbital ATK Successfully Concludes Seventh Cargo Logistics Mission to the International Space Station
A Flawless and Record-Setting Mission for the "S.S. John Glenn"
Cygnus Performs as Research Platform for a Third Time Continuing to Demonstrate the Spacecraft's Versatility and Flexibility
Dulles, Virginia 11 June 2017 – Orbital ATK (NYSE: OA), a global leader in aerospace and defense technologies, today announced that its "S.S. John Glenn" Cygnus spacecraft successfully completed its seventh cargo logistics mission to the International Space Station under NASA's Commercial Resupply Services (CRS-1) contract. The mission also marked the third time that Cygnus was used as a research platform for conducting in-space research with all mission objectives executed as planned.
Спойлер
"Our departure from the International Space Station six weeks ahead of schedule once again proves Orbital ATK's versatility, flexibility and dedication to our NASA customer," said Frank Culbertson, President of Orbital ATK's Space Systems Group. "The flawless completion of our fourth cargo delivery trip in a little more than a year demonstrates our commitment to deliver mission success and represents a fitting tribute to the life and accomplishments of one of the great American heroes of our time, John Glenn.  We are proud to have flown the S.S. John Glenn in his honor."

The OA-7 mission officially concluded on June 11 at approximately 1:08 p.m. EDT when Cygnus performed a safe, destructive reentry into the Earth's atmosphere over the Pacific Ocean east of New Zealand.

Cygnus was launched on April 18 from Cape Canaveral Air Force Station in Florida. Four days later, the spacecraft arrived at the International Space Station and delivered approximately 7,600 pounds (3,450 kilograms) of cargo to the astronauts. The cargo included a NanoRacks CubeSat deployer, food, clothing, crew supplies, spare parts, packaging materials and laboratory equipment.

The spacecraft remained docked for 44 days and departed the space station on June 4 carrying approximately 4,300 pounds (1,950 kilograms) of items for disposal, a new record for Cygnus.

Upon departing the space station and clearing its orbit, the S.S. John Glenn successfully completed phase two of the OA-7 mission – serving as a platform to advance research in space, independent of the orbiting laboratory. It conducted the Spacecraft Fire Experiment-III (Saffire-III), deployed four CubeSats into orbit and initiated an experiment to analyze what happens to a spacecraft during reentry into Earth's atmosphere.

Designed by NASA's Glenn Research Center and funded by NASA's Advanced Exploration Systems Division, Saffire-III was the third in a series of tests that studied how large-scale fires behave in microgravity. Cygnus has hosted the entire series of Saffire experiments to date.

The four CubeSats were released into orbit using a NanoRacks deployer. The spacecraft boosted its altitude to 481 kilometers before releasing the satellites into orbit. This action increases the on-orbit lifespan of the satellites to approximately seven years, compared to only three years had they been deployed from the International Space Station. Now in their intended positions, the satellites will assist in global ship tracking.

The final experiment utilized three Reentry Data Collection Flight Recorders to obtain data showcasing the extreme conditions a spacecraft encounters when reentering Earth's atmosphere. It also tested the performance of different heat shield materials that may be used on future U.S. space missions.

Pending NASA's specific cargo needs, Orbital ATK is prepared to launch two additional CRS missions this year aboard the company's Antares rockets from NASA's Wallops Flight Facility in Virginia.

B-roll and animation footage for the OA-7 mission can be found here: http://www.orbitalatk.com/news-room/bmc/#. Please note that media will be prompted to request a PIN for access.

About Orbital ATK

Orbital ATK is a global leader in aerospace and defense technologies. The company designs, builds and delivers space, defense and aviation systems for customers around the world, both as a prime contractor and merchant supplier. Its main products include launch vehicles and related propulsion systems; missile products, subsystems and defense electronics; precision weapons, armament systems and ammunition; satellites and associated space components and services; and advanced aerospace structures. Headquartered in Dulles, Virginia, Orbital ATK employs approximately 12,500 people in 18 states across the U.S. and in several international locations. For more information, visit www.orbitalatk.com.
 
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tnt22

Цитировать ISS Updates‏ @ISS101 1 ч назад

#Cygnus OA-7 fades fr om Existence in Fiery Re-Entry after successful Fire Experiment & CubeSat Release - http://spaceflight101.com/cygnus-oa7/cygnus-oa-7-end-of-mission/ ...
Спойлер


[свернуть]
http://spaceflight101.com/cygnus-oa7/cygnus-oa-7-end-of-mission/
ЦитироватьCygnus OA-7 fades from Existence in Fiery Re-Entry after successful Fire Experiment & CubeSat Release

June 11, 2017
Спойлер

The Cygnus Orb-2 Spacecraft meets its End in 2014 – Photo: NASA/ESA
[свернуть]
The Orbital ATK Cygnus OA-7 cargo spacecraft met its fiery fate on Sunday when the vehicle made a targeted re-entry over the Pacific Ocean, closing out a 54-day mission that included a six-week stay at the International Space Station to facilitate a critical cargo delivery and a week-long free flight dedicated to a fire experiment and the deployment of small CubeSats.
Спойлер
Named the S.S. John Glenn, Cygnus arrived at ISS back on April 22, four days after lifting off on a ULA Atlas V rocket that was chosen for this mission for its schedule certainty and extra performance to fill Cygnus to the brink with gear needed aboard ISS for a busy summer of science operations. All in all, Cygnus ferried 3,376 Kilograms of cargo to ISS including a new plant growth facility, over 30 CubeSats for deployment from the Station, and a variety of biology samples carried in four powered Polar Freezers.


Cygnus OA-7 Departure – Photo: Roscosmos

Cygnus was originally booked for a stay at ISS through July 16, but a plan for an early departure was exercised when a day became available to the ISS crew's schedule as the result of a weather-related delay to the Dragon SpX-11 mission that arrived at the complex earlier this week. The early departure had been in the plans all along and went into action when Dragon was delayed, freeing up crew time later down the road to tack an extremely packed experiment schedule for the June and July time frame.

The OA-7 spacecraft was set free at 13:10 UTC last Sunday, concluding a 43-day stay at the International Space Station. At the time of the craft's departure, three payloads were still on board – the SAFFIRE-III in-space fire experiment, a group of four Lemur-2 CubeSats and the RED-Data-2 re-entry data recorder.

>> Cygnus OA-7 Cargo Overview


Cygnus bids Farewell – Photo: Roscosmos

After the Station's robotic arm let go of the Cygnus, the spacecraft executed a two-minute departure maneuver to pull out in front of the Station, followed four hours later by a 1.4-meter per second orbit adjustment to enter a slightly higher orbit than ISS to avoid interference with ISS operations such as the arrival of the Dragon cargo vehicle one day after Cygnus' departure.

With Cygnus in an independent orbit, NASA's Glenn Research Center and Orbital's Mission Control Center began work to power up the SAFFIRE-III experiment unit that was strapped down in the Cygnus spacecraft by the crew for its experiment run after the craft's departure. SAFFIRE-III is the third and last experiment in the initial series of Spacecraft Fire Experiments that make use of the Cygnus spacecraft after ISS departure as a safe environment to study large-scale fires in the space environment.


SAFFIRE-III prior to Integration with Cygnus – Photo: NASA

SAFFIRE-I was performed in June 2016 and ignited a large 0.4 by 0.94-meter piece of cotton-fiberglass fabric to examine flame spread dynamics and oxygen consumption of a fire at a realistic scale. The next SAFFIRE experiment, conducted on the Cygnus OA-5 mission in November 2016, was different and used nine smaller sample cards to look at the flammability of different materials and varying thickness to help inform spacecraft designers when choosing interior materials for future crewed spacecraft.

The overall aim of SAFFIRE is to provide hard data of microgravity fire dynamics for computational models used to assess the fire safety of future crewed spacecraft. To date, experimentation with large-scale fires in space had been next to impossible as safety standards for crewed spacecraft like ISS will not allow for experimentation with large fires.


SAFFIRE Experiment Facility – Photo: NASA

Simulations currently in use for fire safety assessments of crewed spacecraft employ models based on data for fires on Earth which may not apply to a spacecraft in a microgravity environment and SAFFIRE sets out to provide the data needed to refine such assessments.

SAFFIRE-III used an identical cotton-fiberglass sample inside an identical flow duct as SAFFIRE-I, but the fans directing air through the duct were run faster to create a higher flow rate on the flame. The objective of running the same experiment at two different air speeds was to collect data on how the flow environment influences flame spread in microgravity.

"For Saffire-I, we measured flame spread rates for burns both in the same direction as the air flow and in the opposite direction of the air flow," said SAFFIRE investigator Gary A. Ruff. "We need to get additional data at another air flow speed using the same material to compare with the predictions of the computational model."


SAFFIRE inside Cygnus – Photo: NASA (SAFFIRE-I)

Experimentation prior to SAFFIRE used samples up to 10 centimeters and showed that fires in space burn at lower temperatures, lower rate and less oxygen. SAFFIRE-I revealed more surprises, particularly in a very slow flame spread across the large sample – up to three times slower than scientists had expected. A slow flame may seem more favorable than a fast-spreading fire, but slower smoke production could cause a time delay before a smoke detector can alert the crew of the fire. Also, slow moving fires generate more carbon monoxide bringing with it the concern of suffocation.

The faster airflow of the SAFFIRE-III experiment provides a valuable data point to assess flame front progression in different flow environments, including those typically found aboard a crewed spacecraft. Ignition of SAFFIRE-III was confirmed at 21:17 UTC last Sunday and the experiment was completed as expected, gathering video of the burn as well as data from temperature, airflow and oxygen sensors to provide a complete picture of the flame progression. It took several days for data from the experiment to be downlinked, requiring Cygnus to remain in free flight.

SAFFIRE IV through VI are currently under development to continue the highly successful experiment series with a focus on the creation and spread of toxic combustion gases.


Lemur Satellites in Clean Room – Photo: Spire

A pair of main engine burns on Thursday placed Cygnus into an orbit of 476 by 486 Kilometers, around 80 Kilometers above the International Space Station. At 17:53 and 21:03 UTC on Thursday, Cygnus deployed two pairs of Lemur-2 CubeSats to join Spire Global's constellation of ship-tracking and atmospheric sensing satellites. Nicknamed Jennybarna, Angela, Spirovision and Robmoore, the four satellites take advantage of the higher deployment orbit for a longer service life of over two years compared to satellites deployed from ISS that typically decay within one year.

The Lemur-2 satellites comply with the 3U CubeSat form factor and measure only 30 by 10 by 10-centimeters in size, hosting a pair of instruments – SENSE dedicated to tracking ship traffic on a global scale via the Automatic Identification System, and STRATOS that uses GPS signals which penetrate Earth's atmosphere to measure parameters relevant to weather forecasters.


Photo: Roscosmos
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On Saturday, Cygnus set up for the fiery end of its mission, performing a series of three orbit-lowering maneuvers followed by a deorbit setup maneuver at 12 UTC on Sunday to prepare for the final deorbit burn, hitting the brakes by firing the BT-4 engine in a retrograde attitude at 16:37 UTC to drop out of orbit.

The five-and-a-half-minute deorbit burn was precisely calculated to set up for re-entry over a remote stretch of the Pacific Ocean to ensure any surviving parts of the spacecraft impact far from populated land masses and away from shipping lanes.

Still weighing in at over five metric tons, Cygnus slammed into the dense layers of the atmosphere at 17:02 UTC and drag quickly built up to a destructive force – first ripping off the spacecraft's two circular solar arrays before triggering the onset of fragmentation of the spacecraft with the pressurized cargo module breaching, causing an explosive release of air.


RED-Data2 Flight Hardware – Photo: Terminal Velocity Aerospace LLC

Re-entry marked the start of the final experiment of this mission, RED-Data-2 – a soccer-ball sized capsule that pursues two areas of research, one being the collection of vehicle dynamics data during atmospheric entry and the other being the development of high-temperature heat shield materials suitable for sample return vehicles and planetary re-entry missions.

Nine centimeters in diameter and weighing in at 2.4 Kilograms, the device contained instrumentation to track a number of parameters during atmospheric entry like vehicle location, acceleration, temperature, pressure and body rates – allowing a full reconstruction of the craft's fiery demise. Studies of the break-up characteristics of vehicles and the entry environment are of great importance to better understand how large satellites and pieces of space debris break-up during their blazing entry into Earth's atmosphere.


Thermal Protection System Testing – Photo: Terminal Velocity Aerospace LLC

The second part of RED-Data2's mission came after it was detached from Cygnus, testing a pair of new heat shield materials in the actual re-entry environment which is difficult to simulate for ground-based tests given the speeds and energy involved. RED-Data2 put to the test a new variation of the PICA heat shield material used by NASA and the SpaceX Dragon and a new tweak to the Avcoat heat shield used by the Orion spacecraft which will make future manufacture easier.

Putting a checkmark behind the OA-7 mission, Orbital ATK will be shifting focus to the next Cygnus flight known as OA-8E, currently targeting launch in September atop the company's Antares rocket. This will be the first of four Orbital ATK missions under the extended Commercial Resupply Services 1 contract awarded by NASA to bridge a gap between CRS1 and the start of CRS2 missions in 2019.

The exact schedule for the mission remains subject to change based on the Space Station's cargo needs, though preparations are already underway at the Wallops Flight Facility wh ere Orbital ATK is readying its second Antares 200-series launch vehicle after a successful debut on the OA-5 mission last year.

tnt22

Цитировать Jonathan McDowell‏Подлинная учетная запись @planet4589 2 ч. назад

Cygnus reentry at 1702 UTC targeted for abt 145E 40S, 3200 km E of N.Zealand in a big empty bit of ocean known as the 'spacecraft graveyard'

zandr

https://ria.ru/space/20170611/1496309536.html
ЦитироватьАмериканский грузовой космический корабль Cygnus завершил свою миссию
МОСКВА, 11 июн — РИА Новости. Американский грузовой космический корабль Cygnus завершил свою миссию, сгорев в верхних слоях атмосферы над Тихим океаном, говорится в релизе американской аэрокосмической оборонной компании Orbital ATK.
"Миссия OA-7 официально завершилась 11 июня около 13.38 EDT (21.38 мск), когда корабль Cygnus совершил безопасный вход в атмосферу Земли и сгорел в ее верхних слоях над Тихим океаном к востоку от Новой Зеландии", — говорится в релизе.
Американский грузовой космический корабль Cygnus отстыковался от Международной космической станции (МКС) 4 июня. Отстыковку корабля, который находился на МКС с апреля, провели борт-инженеры станции Джек Фишер и Пегги Уитсон. Покинув станцию с отработанными материалами, аппарат оставался на орбите еще неделю. За это время с него были запущены четыре малых спутника, и был проведен эксперимент по изучению поведения огня на борту космического корабля.

Salo

#598
http://www.orbitalatk.com/news-room/release.asp?prid=261
ЦитироватьThe OA-7 mission officially concluded on June 11 at approximately 1:08 p.m. EDT when Cygnus performed a safe, destructive reentry into the Earth's atmosphere over the Pacific Ocean east of New Zealand.
Т.е. вход в атмосферу в 17:08 UTC или 20:08 ДМВ.
"Были когда-то и мы рысаками!!!"