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Cygnus NG-11 (CRS-11) - Antares 230 - MARS LP-0A - 17.04.2019, 20:46 UTC
Jeff Foust‏ @jeff_foust 5 мин. назад

Good news for tomorrow’s Cygnus NG-11 launch from Wallops: 95% chance of acceptable weather; 80% if it slips to Thursday.
Northrop Grumman‏Подлинная учетная запись @northropgrumman 5 мин. назад

Our teams have completed the NG-11 Launch Readiness Review (LRR) and we are GO for launch of #Antares carrying the #Cygnus spacecraft to the @Space_Station! The 5-minute launch window will open at 4:46 pm EDT tomorrow Be sure to watch live on @NASA TV!

Latest Launch Forecast: 95% Favorable Weather

Rob Garner
Posted Apr 16, 2019 at 4:23 pm

Weather stands at 95% favorable for the April 17 launch of Northrop Grumman’s Antares rocket from Virginia Space’s Mid-Atlantic Regional Spaceport at NASA’s Wallops Flight Facility, according to the latest range forecast. At this time, cloud ceilings and ground winds are the primary weather concerns for a launch attempt on Wednesday afternoon.

A Northrop Grumman Antares rocket carrying a Cygnus resupply spacecraft is seen during sunrise on Pad-0A, Tuesday, April 16, 2019, at NASA’s Wallops Flight Facility in Virginia. Northrop Grumman’s 11th contracted cargo resupply mission with NASA to the International Space Station will deliver about 7,600 pounds of science and research, crew supplies and vehicle hardware to the orbital laboratory and its crew. Photo Credit: (NASA/Bill Ingalls)

NASA’s commercial partner Northrop Grumman is scheduled to launch its Antares rocket carrying its Cygnus cargo spacecraft to the International Space Station at 4:46 p.m. EDT Wednesday, April 17.

Loaded with 7,600 pounds of research, crew supplies and hardware, this is Northrop Grumman’s 11th commercial resupply NASA-contracted mission. It will launch from Virginia Space’s Mid-Atlantic Regional Spaceport at NASA’s Wallops Flight Facility, on the state’s Eastern Shore.

High pressure will continue to provide pleasant conditions today to the Delmarva before moving offshore this evening and overnight. Another area of high pressure dips south into the northeast states tonight into Wednesday, forcing a cold front south over the northern Eastern Shore tomorrow morning, then eventually the Wallops area. Once the front moves through, winds will shift to an east-northeasterly direction and increase with wind gusts in the upper teens while advecting scattered low-level cloudiness across the range. Upper level cloudiness will also be increasing during the afternoon as a weak upper-level disturbance approaches the Eastern Shore.
NASA | "What's on Board" science briefing for NG-11 mission.

space googlevesaire

Трансляция началась 2 часа назад

"What's on Board" science briefing for NG-11 mission. Scientists and researchers discuss their experiments to launch aboard Northrop Grumman's Cygnus spacecraft to the International Space Station. Credit : NASA
https://www.youtube.com/watch?v=ww-1q5xjn_s (1:28:29)

Изменено: tnt22 - 17.04.2019 02:02:26
NASA | Prelaunch news conference for NG-11 mission

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Трансляция началась 2 часа назад

Prelaunch news conference for NG-11 mission. Officials from NASA Wallops, the International Space Station program and Northrop Grumman update the status of April 17 launch.
Credit : NASA
https://www.youtube.com/watch?v=Ti5KdqOw4hg (53:29)
Anne McClain‏Подлинная учетная запись @AstroAnnimal 7 мин. назад

Did you know that cargo vehicles don’t autonomously dock to @Space_Station? Instead, they park close by and we capture them with #CanadaArm2 – called a “grapple.” We're practicing that maneuver a lot this week to be ready for Friday’s planned arrival of #Cygnus NG-11.

April 16, 2019

NASA ‘Nose’ Importance of Humans, Robots Exploring Together

NASA is sending humans forward to the Moon, this time to stay. Upcoming expeditions to the Moon will require making every moment of astronaut time outside the safety of the Gateway in orbit and lunar lander system on the surface count. Robotics will enable lunar crews to do more while minimizing their risk.

NASA’s Satellite Servicing Projects Division is teaming up with the International Space Station to develop the technologies for this kind of astronaut-robotic collaboration, and tomorrow is launching a Robotic External Leak Locator (RELL) aboard Cygnus on Northrop Grumman’s 11th Commercial Resupply Services mission.

Spacecraft and habitats rely on extensive cooling systems. Just as coolant in a car is used to cool its engine, ammonia is circulated through a huge system of pumps, reservoirs and radiators on station to cool its complex life support systems, spacecraft equipment and science experiments. RELL is a “sniffer,” or a robotic, remote-controlled tool that helps mission operators detect the location of external ammonia leaks on space station and rapidly confirm a successful repair.

The Robotic External Leak Locator flight unit before launch.
Credits: NASA

“RELL capabilities help mitigate the risk of the potentially severe impacts to the space station presented by an external ammonia leak,” said Christopher Craw, ISS Senior Systems Integration Lead at NASA’s Johnson Space Center in Houston.

When it arrives at ISS, this will be the second RELL on board and will serve as a spare. The first flight RELL is already on board station where it successfully located a leak in one of these systems, significantly reducing astronaut time required outside of station to inspect and repair the leak.

“The decision to build and fly another flight unit seemed like the obvious choice to ensure this capability was going to be available to the ISS Program through the rest of spacecraft’s life,” said Adam Naids, ISS Hardware Development Engineer at NASA’s Johnson Space Center.
Скрытый текст

Last Updated: April 16, 2019
Editor: Rob Garner
NASA HQ PHOTO‏Подлинная учетная запись @nasahqphoto 9 ч. назад

Mission engineers load the final cargo into the @northropgrumman #Cygnus spacecraft onboard the Antares rocket at @NASA_Wallops Pad-0A ahead of the company's 11th resupply mission to @Space_Station. See more https://flic.kr/s/aHskTMfMuJ

04/17/2019 07:34 Stephen Clark

Ground crews at Wallops Island, Virginia, are installing time-sensitive cargo into Northrop Grumman's Cygnus supply ship overnight before liftoff aboard an Antares rocket at 4:46 p.m. EDT (2046 GMT) Wednesday on a mission to the International Space Station.

The Antares rocket rolled out to launch pad 0A at the Mid-Atlantic Regional Spaceport at NASA's Wallops Flight Facility on Monday morning. The Antares emerged from its horizontal integration facility and rode a self-propelled transporter for the one-mile road trip to pad 0A.

After rolling up the ramp to the pad, Northrop Grumman crews raised the Antares rocket vertical for final checkouts and a combined systems test, which verifies all connections between the launch pad, the Antares rocket and its transporter/erector, and the Cygnus spacecraft.

Officials also met Tuesday for a launch readiness review and cleared the Antares rocket for flight, with the five-hour countdown timed to begin at 11:46 a.m. EDT (1546 GMT).

There is a 95 percent chance of favorable weather for launch Wednesday.
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Photos: Antares reaches launch pad in Virginia for space station cargo mission
April 16, 2019 | Stephen Clark

A two-stage Northrop Grumman Antares rocket rolled out of its horizontal integration facility Monday for the mile-journey south to launch pad 0A at the Mid-Atlantic Regional Spaceport in Virginia, where liftoff on a space station resupply mission is scheduled for Wednesday.

Riding a self-propelled transporter/erector along a two-lane road, the Antares rocket completed the one-mile journey to pad 0A with an uphill trip up the ramp leading to the seaside launch mount. The 139-foot-tall (42.5-meter) Antares rocket was raised vertical at pad 0A for final pre-flight checkouts Monday night.

After passing a combined systems test, in which engineers verified all connections between the Antares rocket, ground systems and the Cygnus supply ship, the launcher was rotated back horizontal Tuesday evening for final loading of time-sensitive cargo.

The late-load procedure marks the first time Northrop Grumman has added time-sensitive payloads to the Cygnus spacecraft less than 24 hours before liftoff. The capability allows teams to load fresh food and research specimens shortly before launch, and crews plan to add a habitat containing mice for immune system research on the Cygnus spacecraft slated to lift off Wednesday.
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Northrop Grumman‏Подлинная учетная запись @northropgrumman 48 мин. назад

It’s a beautiful morning at @NASA_Wallops! Are you ready for a rocket launch? We are! Launch is set for this afternoon at 4:46pm EDT. Can’t watch in person? Tune in to @NASA TV for live coverage beginning at 4:00pm.
#NorthropGrumman #Antares #Cygnus

Начало трансляции НАСА - 20:00 UTC
"В России надо жить долго.." (с)
"Вы рисуйте, вы рисуйте, вам зачтётся.." (с)
NanoRacks‏Подлинная учетная запись @NanoRacks 55 мин. назад

We've got a full mission launching today - 3 #CubeSats in our external #Cygnus deployer, 1 hosted payload to stay inside the deployer, 7 #CubeSats for @Space_Station, plant growth research & an incredible fiber optics #ZBLAN experiment. Our #LEO ecosystem is busy as ever! #NG11

Chris G - NSF‏ @ChrisG_NSF 43 мин. назад

For those who like precision, #Antares' precise target liftoff time today is at the opening of its 5min window at 16:46:06 EDT (2046:06 UTC). #Cygnus #NG11 #RogerChaffee @northropgrumman

(: @TheFavoritist)

04/17/2019 16:11 Stephen Clark

Technicians working at pad 0A at NASA's Wallops Flight Facility in Virginia have completed the final loading of cargo into Northrop Grumman's Cygnus supply ship, and the Antares rocket has been raised vertical again in preparation for today's countdown.

Specialists removed the top of the Antares rocket's payload shroud and opened the forward hatch to the Cygnus spacecraft Tuesday evening to load time-sensitive cargo into the supply ship. This mission is the first time Northrop Grumman has introduced the new capability to install equipment into the cargo craft's pressurized module less than 24 hours before liftoff.

The items loaded Tuesday night included a habitat with 40 mice heading to the International Space Station to help researchers study how microgravity affects the animals' immune system.

With the work complete, ground crews closed the hatch and placed the top of the payload fairing back on the rocket, then raised Antares vertical earlier this morning.

Liftoff of the 139-foot-tall (42.5-meter) rocket is set for 4:46:06 p.m. EDT (2046:06 GMT).

Here's a view of the Antares rocket at pad 0A after sunrise today, captured by NASA photographer Bill Ingalls.

Chris G - NSF‏ @ChrisG_NSF 5 мин. назад

And there's been an adjustment based on day-of ISS position. New opening of the launch window, and the target launch time, is 2 seconds earlier at 16:46:04 EDT (2046:04 UTC).
#Antares #Cygnus #RogerChaffee #NG11 @northropgrumman
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