Starting to the ISS and braking at the asteroid

 3r3184. 3r3-31. Immediately, two rather important cosmic events will occur this day: for the first time after the Soyuz MS-10 accident, a manned mission, Soyuz MS-1? will go to the ISS, and the OSIRIS-REx will arrive at the Benn asteroid.
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 3r3184. Starting to the ISS and braking at the asteroid  3r3184. 3r3122. A rocket with the Soyuz MS-11 and OSIRIS-REx, images NASA 3r3123.
 3r3184. press conferences 3r3172. Before the start of the Soyuz MS-1? journalists asked whether the astronauts were nervous.
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3r3122. Risk is a component of our profession. We go through many training sessions where we work on various abnormal situations, so we understand that we can encounter them in real space flight, but we also understand that people who assemble a ship and a rocket try to do this as accurately as possible, following as much technical documentation as possible. <> We absolutely trust them. We are both psychologically and technically ready to start and any situations that, God forbid, happen on board 3r3123.
 3r3184. Oleg Kononenko 3—3—3169.  3r3184.
 3r3184. 3r3122. I believe that when such situations occur, you need to ask three main questions: what happened, why it happened and how to prevent the situation from recurring. We are confident that our flight will be successful, because in the interval from the accident that occurred until today, several successful launches of 3r3123 have been made.
 3r3184. Anne Maclaine
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 3r3184. 3r3122. At that moment when it all happened (the accident on October 11 - IF), I was lucky that I was here, next to the crew, who felt great after a bad start. Everything went well, and thanks to the fact that smart people who created the rocket and the emergency rescue system and the ship work here, we managed to avoid the accident (the ship) and I was lucky to witness this situation. I am sure that in our case this will not happen and everything will go smoothly. [/i]
 3r3184. David Saint-Jacques
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 3r3184. The cosmonauts' confidence has a practical basis - after the accident of the Soyuz MS-1? three rockets with the same level separation system successfully launched: on October 2? the Soyuz-2.1b launch vehicle with the Kosmos-2528 satellite flew, on November 3 - Soyuz-2.1b ”with“ GLONASS-M ”and on November 16 - completely identical emergency type“ Soyuz-FG ”with“ Progress MS-10 ”. Let me remind you that the cause of the accident "Union MS-10" was 3r3354. bent sensor 3r3172. side compartment unit (first stage). To date, the investigation has not yet been completed on how exactly it was bent in the process of assembling the launch vehicle, and, according to r3r356. latest news r3r3172. , so far, none of the employees of the assembly shop have been removed from work.
 3r3184.
 3r3184. It is curious that, despite the transfer of the launch from December 20 to the third, the Soyuz will approach the ISS in a short, six-hour scheme. Usually such force majeure, on the contrary, lead to
two-night approach map
. I am glad that the investigation took so little time, but it was lucky, so to speak, that the cause of the accident turned out to be easily detectable and removable. Other types of accidents might cause a longer break in flights. And finally, it is worth noting that a spacewalk is planned for December 11th, which will have to provide additional information in the case of 3r364. It is not clear by whom, when, how and why 3r3172. drilled hole in the "Union MS-09."
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 3r3184. The launch of the spacecraft is scheduled for 14:31 Moscow time on December ? docking with the ISS - 20:36 Moscow time. Starting with Soyuz MS-0? they show videos from onboard cameras on a rocket, so it should be interesting. Search the Roscosmos broadcast on the agency’s social networks, besides, you should stream NASA-TV on YouTube.
 3r3184.
 3r3184.

OSIRIS-REx


 3r3184. In the evening, around 19:15 Moscow time, the OSIRIS-REx apparatus will arrive at the Bennu asteroid (101955 Bennu). It started on the night of September ? 2016 and, having worked for the target until spring 202? would return the asteroid samples for the Earth in the fall of 2023. By cosmic standards, this is a short time — Rosetta flew to Churyumov-Gerasimenko’s comet for ten years. Asteroid Bennu has a much closer to Earth orbit (in the 22nd century there are even chances that it will collide with the Earth), so it is much easier to reach it. OSIRIS-Rex took only one long start of the engines with a speed change of 431 m /s and one gravitational maneuver near the Earth.
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 3r3184.  3r3184. 3r3122. Animation of Wikimedia Commons according to NASA [/i]
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 3r3184. The first photo from a distance of 2 million kilometers was taken in August, and last Sunday only 30 kilometers separated OSIRIS-REx and Bennu.
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 3r3184. 3r395.
 3r3184. 3r3122. Photo by NASA 3r3123.
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 3r3184. But this animation is made from photos from November 2. Rotation is accelerated, Bennu makes one revolution in 4.3 hours.
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 3r3184. 3r3108.
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 3r3184. In general, OSIRIS-REx for the most part has already arrived - basic maneuvers 3r3172 were performed. October 1 and 15 and changed the speed of the device in the amount of 486 m /s. Further the probe already practically "creeped". By two inclusions of the engines on October 29 and November ? the speed relative to the asteroid was reduced from 5.2 to 0.1 m /s, and the maneuver on November 13 reduced it from ??? to ??? m /s. On November 3? the final correction took place, and on December ? the device will come closer to a distance of 20 km and go into orbit relative to the asteroid. The main task is to take a sample with a special manipulator, but before that OSIRIS-REx will fly around for a long time and choose a place.
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 3r3184. 3r3119.
 3r3184. 3r3122. Animation of Wikimedia Commons according to NASA [/i]
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 3r3184. An asteroid is so small and light that even random disturbing effects can make it difficult to work in its orbit. For example, in 201? the probe was
fixed 3r3172. microscopic disturbing thrust. It turned out that from the illuminated side of the apparatus, the moisture that had been deposited accidentally before the start evaporates. I had to perform a long program to get rid of it - the probe alternately turned to the Sun in different directions and warmed them.
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 3r3184. 3r3133.
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 3r3184. But this photo is an important element of the preparation of the probe for work. Since October, we have tested the TAGSAM manipulator, with which the probe will collect asteroid samples - it has been deployed, mobility checked, photographed, and the device was screwed up before and after resetting the 1.2 kg lid. The moments measured by these maneuvers will allow weighing the collected samples - the greater their mass, the harder it will be to twist OSIRIS-REx.
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3r3-33160. 3r3161. 3r3146. 3r33180. 3r33180. 3r33180.
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 3r3184. If everything goes according to plan, the probe will take a sample of the asteroid in mid-2020 3r3169.  3r3184.
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3r3-33160. 3r3161. 3r3162. 3r33180. 3r33180. 3r33180.
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 3r3184. and, returning them to a special capsule to Earth in 202? will be the first American probe to deliver the asteroid material to Earth. On similar missions, brought samples of other celestial bodies, can be
read here
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