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 02/21/2018 10:10 AM

 The commander of the main crew of the transport manned spacecraft Soyuz MS-08, the cosmonaut of ROSKOSMOSA Oleg ARTEMIEV spoke about the chosen emblem of the crew and explained the space symbols "encrypted" in it.

 The shape of the descent vehicle, which was chosen for the crew's emblem, symbolizes the successful completion of the flight program.  In the center we see the silhouette of the three members of the main crew: Oleg ARTEMIEV, Andrew FOIESTEL and Richard ARNOLD heading for the Soyuz-FG carrier rocket to go on a "space mission."

 Behind the launch complex in the sky, the Moon and Mars are visible, which indicates the man's desire to explore the outer space.  Six gold stars are the six crew members of the International Space Station.  In the sky, the station itself is depicted - the target for docking a manned spacecraft.

 The silhouette of the stele called "Science and space" (one of the symbols of Baikonur) and the tulip from the coat of arms of Leninsk (formerly called the city) recall the glorious history of the first "space harbor".  This part of the composition is dedicated not only to the native city of Oleg ARTEMIEV, who is an Honorary Citizen and resident of Baikonur, but also to all people whose fate has come into contact with the largest cosmodrome in the world.

 The lower border of the emblem is decorated with flowers of Russian tricolor, stripes in the colors of the US flag and the logo of ROSCOSMOS.  Above the curb is the name of the spaceship and the numbers of the main expeditions in which the crew members will take part.

 The launch of the Soyuz MS-08 manned spacecraft by the Soyuz-FG carrier rocket is scheduled for March 21, and now the main and backup crews successfully pass examinations at the Cosmonaut Training Center.
ISS Section / Re: Expedition 54 Thread
« Last post by jacqmans on Today at 07:10 AM »

ISS Daily Summary Report – 2/16/2018

USOS Extra Vehicular Activity (EVA) #48: Today, Mark Vande Hei (as EV1) and Norishige Kanai (as EV2) performed USOS EVA #48 with a Phased Elapsed Time (PET) of 5:57. The primary goal of today’s EVA was to remove and replace the Payload ORU Accommodation (POA) Latching End Effector (LEE). The LEE formerly occupying the POA was brought inside ISS via the Joint Airlock while the LEE previously on the External Stowage Platform (ESP)-2 Flight Support Equipment (FSE) was relocated to the POA. The crew also performed the following get-ahead tasks: LEE Lube, Robot Micro Conical Tool (RMCT) Deploy, Force Movement Sensor (FMS) Grounding Strap Install, and Flex Hose Rotary Coupler (FHRC) Strut Correction. 

Veg-03 Initiation: The crew continued to perform Veg-03 operations by thinning the plants to one plant per pillow and adding water to the small plant pillows. The overall goal of Veg-03 is to further demonstrate proof-of concept for the Veggie plant growth chamber and the planting pillows. Future long-duration missions into the solar system, finally culminating on Mars, will require a fresh food supply to supplement crew diets, which means growing crops in space. Previous investigations focused on improving productivity in controlled environments, but the limited quarters of the space shuttle and International Space Station made it difficult to conduct large-scale crop production tests. Veg-03 expands on previous validation tests of the new Veggie hardware, which crew members will soon use to grow cabbage, lettuce and other fresh vegetables in space.

Space Headaches: The crew completed the weekly questionnaire for the ESA Space Headaches investigation. The Space Headaches investigation collects information that may help in the development of methods to alleviate associated symptoms and improvement in the well-being and performance of crewmembers in space. Headaches during space flight can negatively affect mental and physical capacities of crewmembers that can influence performance during a space mission.
SpaceX Mars / Re: BFR/ITS risk due to composites
« Last post by jpo234 on Today at 06:57 AM »
Another solution could the inner most layers of the tanks be made from something like Nonburnite which can handle -260C to +280C.
This should exceed anything they'll see in service by a good margin.

This sounds (from my layman perspective) exactly like the kind of material Elon was talking about.
News Release Issued: Feb 20, 2018 (12:09pm EST)

Lockheed Martin Completes Assembly on Arabsat's Newest Communications Satellite

Arabsat-6A Satellite Begins Rigorous Battery of Tests in Preparation for its Delivery to Launch Site Later This Year

DENVER, Feb. 20, 2018 /PRNewswire/ -- A new, high-capacity communications satellite that will deliver TV, internet and mobile phone services to the Middle East, Africa and Europe is one step closer to launch. Lockheed Martin (NYSE: LMT) has completed assembly on the Arabsat-6A satellite, which was recently shipped to its Sunnyvale, California facility to begin a comprehensive series of tests to ensure the satellite is ready for operations in orbit.

"This new satellite will strengthen our existing fleet that offers millions of people mobile and landline communications service across the region," said Khalid Balkheyour, CEO of Arabsat. "We look forward to completing and launching this state-of-the-art new satellite to offer even greater internet, television and radio services to our customers."

Arabsat-6A is part of the two-satellite Arabsat-6G program for Arabsat and is the second of Lockheed Martin's modernized LM 2100 series satellites to complete assembly. The other satellite in the Arabsat 6G program, Hellas Sat 4/SaudiGeoSat-1, recently completed assembly and was also shipped to Sunnyvale in November of 2017 for testing.

"Arabsat-6A and its companion satellite, Hellas Sat 4/SaudiGeoSat-1 are the most advanced commercial communications satellites we've ever built," said Lisa Callahan, vice president and general manager of Commercial Civil Space for Lockheed Martin. "The modernized LM 2100 that these satellites are built on is packed with new innovations, including solar arrays that are 30 percent lighter and 50 percent more powerful, upgraded flight software and more efficient propulsion capabilities resulting in longer maneuver life. Those improvements will deliver greater precision, performance and value in orbit."

During the trip from Denver to Sunnyvale, Arabsat-6A was housed in a "mobile cleanroom," which keeps the satellite secure and in pristine condition, free of virtually any specks of dust and contaminants that could damage its precision electronics.

In California, the satellite will undergo multiple tests to ensure it is fit for flight. The satellite will be blasted with sound, exposed to extreme heat and cold, and subjected to a total vacuum to simulate what it will endure during its launch and operations in space. The testing will be completed and the satellite ready for delivery to the launch site by the end of the year.

Lockheed Martin is building five modernized LM 2100 satellites for a host of missions and customers around the globe.

•For additional information, visit our website:

•For more photos of Arabsat-6A, please click here:
SpaceX Mars / Re: BFR/ITS risk due to composites
« Last post by john smith 19 on Today at 06:38 AM »
Another solution could the inner most layers of the tanks be made from something like Nonburnite which can handle -260C to +280C.
This should exceed anything they'll see in service by a good margin.
Unfortunately XCOR is now defunct.

Does anyone know what happened to the nonburnite IP?

I wonder if the coating would be spray foam insulation, BFS needs insulation for deep space and Mars surface (to avoid freezing out dry ice). But urethane foam seems like it would be just as bad as carbon epoxy in the face of hot GOX. A silica fiber based insulation sounds like a better bet but I don't know if they could spray it.
Such materials do exist and are in use for refurbishing furnaces. I've no idea how fragile or heavy they are.
Chinese Launchers / Re: Jianbing Radar Satellites' Orbits
« Last post by Liss on Today at 06:35 AM »
I came across something which looks interesting while preparing a series of Excel graphs relating to the various series of Jianbing satellites.

Yaogan Weixings 1, 3 and 10 form the JB-5 radar series of satellites and it appears that this series has been replaced by a series which I call JB-X2 (since we do not know the actual JB number as far as I am aware) which comprises the single Yaogan Weixing 29 satellite.

I am attaching a document which shows graphs of the arguments of perigees of these two series, and it clear that they are being "controlled" to be close to 90 degrees.   This cannot be natural evolution, the AoP remains stationary only for satellites in orbits with inclinations close to 63.4 degrees.

For YG-29 apogee and perigee calculated from TLEs differ only by 2 kilometers.
I doubt very much the graph of AoP for this spacecraft shows some real effect -- my guess this is an artifact of algorythms involved in preparing TLEs.
For what it's worth, there is a Wikipedia list that gives current status:
The Japanese version has a tentative schedule for future satellites
Vice President Pence Announces National Space Council Users Advisory Group
Press Release From: White House
Posted: Tuesday, February 20, 2018

Vice President Mike Pence, Chairman of the National Space Council, today announced the candidates selected to serve on the National Space Council's Users Advisory Group. Pending official appointment by the Administrator of the National Aeronautics and Space Administration, the selected members of the Users Advisory Group will serve to fulfill President Trump's mandate to "foster close coordination, cooperation, and technology and information exchange" across our nation's space enterprise.  The announcement as made on the eve of the second meeting of the National Space Council. "Moon, Mars, and World Beyond: Winning the next Frontier" includes testimonials from leaders in the civil, commercial, and national security sectors about the importance of the United States' space enterprise

Selection to the National Space Council's Users Advisory Group:

Buzz Aldrin, Apollo 11 astronaut
Tory Bruno, President and CEO of United Launch Alliance
Wes Bush, CEO of Northrop Grumman
Dean Cheng, Scholar at the Heritage Foundation
Eileen Collins, 4-time Shuttle astronaut, first female shuttle commander
Steve Crisafulli, Former Speaker of the Florida House of Representatives
Mary Lynne Dittmar, President and CEO of The Coalition for Deep Space Exploration
Adm. Jim Ellis, Retired 4-star Admiral, former head of STRATCOM, and member of the Space Foundation Board of Directors
Tim Ellis, CEO of Relativity Space
Newt Gingrich, Author, former Speaker of the House
Marillyn Hewson, CEO of Lockheed Martin Corporation
Homer Hickam, Author of the book "Rocket Boys" and former NASA Marshall Spaceflight Center engineer
Governor Kay Ivey, Governor of Alabama
Fred Klipsch, Founder and Chairman of Hoosiers for Quality Education
Les Lyles, Retired 4-star Air Force General and member of the NASA Advisory Council
Pam Melroy, 3-time Shuttle astronaut and former Deputy Director of the Tactical Technology Office at the Defense Advanced Research Projects Agency
Dennis Muilenberg, CEO of the Boeing Company
Faith Ozmen, CEO of the Sierra Nevada Corporation
G.P. Bud Peterson, President of the Georgia Institute of Technology
Jack Schmitt, Apollo 17 Astronaut and former Senator
Gwynne Shotwell, President and COO of SpaceX
Bob Smith, CEO of Blue Origin
Eric Stallmer, President of the Commercial Spaceflight Federation
David Thompson, Founder and CEO of Orbital ATK
Pamela Vaughan,, Board Certified Science Teacher
Mandy Vaughn, President of VOX Launch Company
Stu Witt, Founder of Mojave Air and Spaceport, former Navy pilot, former Chairman of the Commercial Spaceflight Federation
David Wolf, 4-time Shuttle astronaut and physician
Pete Worden, Former Air Force General and NASA Ames Center Director
// end //
A Roscosmos delegation to Samara-based RCC Progress headed by Roscosmos Director Igor Komarov has designated Ravil Akhmetov acting director of RCC Progress after General Director Alexander Kirilin was removed from the post by a court decision pending an investigation.

Akhmetov thanked Komarov for Roscosmos having chosen someone from inside the company (Akhmetov was deputy CEO and General Constructor of RCC Progress) and spoke to employees:  "...While I am acting CEO, there will be no shake-ups, and we will hold on the course set by Alexander Kirilin.  I am very grateful for ... Roscosmos's having chosen as acting leader someone from inside the company. Yes, we have before us a difficult and complex task: producing the Soyuz-5 booster, and based on it, an ultraheavy class booster, and we will succeed."

Roscosmos General Director Komarov dispelled rumors about merging Progress with another space company.
The forum is showing "my" IP address on the right down corner of posts I've written.

... except that it's not my IP address. And it's not any transparent proxy of my isp either.

It's simply some totally wrong random ip address that has no relationship to me.

It seems the last post where my IP is correct is from end of january, post from 2.2 already has the bogus ip.
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