Author Topic: LIVE: Soyuz TMA-21 landing - September 15, 2011  (Read 19956 times)

Online jacqmans

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LIVE: Soyuz TMA-21 landing - September 15, 2011
« on: 09/07/2011 04:27 PM »
MEDIA ADVISORY: M11-188

NASA TV WILL BROADCAST SOYUZ LANDING ON SEPT. 15

HOUSTON -- NASA Television will broadcast the return to Earth of three
crew members who have called the International Space Station (ISS)
home for more than five months.

On Sept. 15, Expedition 28 Soyuz Commander Alexander Samokutyaev, NASA
Flight Engineer Ron Garan and off-going station Commander Andrey
Borisenko will undock from the station's Poisk module to return to
Earth in their Soyuz TMA-21 spacecraft.

They are set to land on the southern region steppe of Kazakhstan near
the town of Dzhezkazgan at 11:01 p.m. CDT on Sept. 15 (10:01 a.m.
local time, Sept. 16). Their return was delayed a week due to the
Aug. 24 loss of the unmanned ISS Progress 44 cargo craft.

Expedition 29 station Commander Mike Fossum of NASA, Russian Flight
Engineer Sergei Volkov and Japan Aerospace Exploration Agency Flight
Engineer Satoshi Furukawa will remain aboard the complex to conduct
research until their planned return to Earth in mid-November.

The schedule to launch three new Expedition 29 crew members, NASA
Flight Engineer Dan Burbank, Soyuz Commander Anton Shkaplerov and
Russian Flight Engineer Anatoly Ivanishin, is under review as NASA
and its international partners assess the readiness to resume Soyuz
launches.

The full schedule of the Expedition 28 Soyuz TMA-21 hatch closure,
undocking and landing coverage is below. All times are CDT.

Wednesday, Sept. 14
4:40 p.m. - Expedition 28-29 change of command ceremony (Borisenko
hands over station command to Fossum)
Thursday, Sept. 15
4 p.m. -¬ Soyuz TMA-21 crew farewells and hatch closure (hatch closure
scheduled at 4:35 p.m.)
7:15 p.m. - Undocking coverage (undocking scheduled at 7:37 p.m.)
9:30 p.m. - Deorbit burn and landing coverage (Deorbit burn scheduled
at 10:06 p.m., landing in Kazakhstan scheduled at 11:01 p.m.)
Friday, Sept. 16
2 a.m. - Video File of the landing and post-landing activities
(repeated at 4 a.m. and 6 a.m.)
11 a.m. - Video File of the landing and post-landing activities that
includes post-landing interview with Garan and the cosmonauts' return
to Chkalovsky Airfield near Star City, Russia

For NASA TV downlink, schedule and streaming video information, visit:



http://www.nasa.gov/ntv


For more information about the International Space Station and its
crew, visit:


http://www.nasa.gov/station   


« Last Edit: 09/15/2011 11:57 PM by Chris Bergin »

Online jacqmans

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Re: Soyuz TMA-21 landing - September 15, 2011
« Reply #1 on: 09/13/2011 08:26 AM »
Twenty-eighth expedition to the ISS quits

13.09.2011

On board the International Space Station crew completes work twenty-eighth long expedition.

The commander of the ISS-28 Andrei Borisenko (Russia), ISS-28 Samokutyaev Alexander (Russia) and Ronald Garan (U.S.) are preparing to return to Earth aboard the "Soyuz TMA-21", which they, in April of this year, arrived at the station.

In lander spacecraft astronauts are placed subject to the return of equipment, including pencil cases with the results of scientific experiments.

Today, astronauts together with specialists from the Russian Mission Control Center will hold a training ship on the descent from orbit.

Andrei Borisenko tomorrow and Sergei Volkov, who will continue the flight to the ISS-29, will sign a deed of change in the Russian segment of the station.
On the night of September 15 will be an official ceremony of handing over command of the entire plant.

The next commander of her will be American astronaut Michael Fossum, and the number will change with the ISS Expedition-28 ISS-29.  Together with Volkov and flight Fossum at the station will continue to Japanese astronaut Satoshi Furukawa.

Undocking of "Soyuz TMA-21" with the station is scheduled for September 16 at 4:00 38 am Moscow time (00:38 GMT).

According to preliminary data, the landing capsule of "Soyuz TMA-21" is expected in 08 hours 00 minutes (04:00 GMT) at 149 kilometers southeast of the town of Dzhezkazgan in Kazakhstan.

http://www.roscosmos.ru/main.php?id=2&nid=17852

Offline Prober

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Re: Soyuz TMA-21 landing - September 15, 2011
« Reply #2 on: 09/15/2011 07:02 PM »
We are still on schedule for this return date?

I have not failed. I've just found 10,000 ways that won't work. ~ by Thomas Alva Edison

Offline rdale

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Re: Soyuz TMA-21 landing - September 15, 2011
« Reply #3 on: 09/15/2011 07:11 PM »
Yes, you can hear them doing preps right now. The schedule is posted at http://www.nasa.gov/pdf/588553main_091511_tl.pdf

Offline Prober

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Re: Soyuz TMA-21 landing - September 15, 2011
« Reply #4 on: 09/15/2011 07:15 PM »
Yes, you can hear them doing preps right now. The schedule is posted at http://www.nasa.gov/pdf/588553main_091511_tl.pdf

thx, been confused by all the date changes to launches of late.
I have not failed. I've just found 10,000 ways that won't work. ~ by Thomas Alva Edison

Offline Space Pete

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Re: Soyuz TMA-21 landing - September 15, 2011
« Reply #5 on: 09/15/2011 08:16 PM »
From ISS On-Orbit Status Report for 15/09/2011.

Preparations for tonight’s undocking will pick up momentum at ~8:00 PM GMT, with the activation of the Soyuz spacecraft by Samokutyayev & Borisenko who will also perform checkouts and conduct communications tests from the Soyuz TMA-21/26S to RGS (Russian Groundsite) via VHF (Very High Frequency).

Russian thrusters will be disabled from ~9:00 PM-10:40 PM GMT due to load constraints for the removal, by Sasha & Andrey, of the QD (Quick Disconnect) screw clamps (BZV) of the docking & internal transfer mechanism (SSVP) which rigidized the joint at the MRM-2 Zenith port (9:00 PM-9:20 PM GMT).

After Crew Farewell, Andrey, Ron & Sasha will enter the Soyuz at ~9:20 PM-9:40 PM GMT, covered by live PAO TV.

Next, with the Soyuz spacecraft’s gas analyzer (GA) running, Samokutyayev inside MRM-2 and Volkov outside close MRM-2 & Soyuz hatches. The departing Soyuz crew then starts the standard one-hour leak check on the Soyuz-to-Poisk vestibule.

After attitude control authority handover to the RS MCS (Russian Segment Motion Control System) at ~11:45 PM GMT, the ISS will maneuver to undock attitude. The returning crew will then perform Sokol suit leak checks and depressurize the BO Orbital Module by 150 mmHg for leak checking the SA-BO hatch. Next, they will don their Kentavr g-suits, biomed belts and Sokol space suits.

ISS goes into Free Drift at 12:34 AM-12:39 AM GMT for MRM-2 hooks opening and Soyuz undocking at 12:38 AM GMT. Attitude control returns to US Momentum Management with CMGs (Control Moment Gyros) at ~1:30 AM GMT.

When hooks have opened and 26S has been pushed out by spring force (delta-V ~0.12 m/s) with Soyuz CDR Alex Samokutyayev at the controls, the automated first separation burn of 15 sec duration (~0.55 m/s) is performed at 12:41 AM GMT with two DPO-B1 thrusters. Later, ISS will return to duty attitude (LVLH / Local Vertical Local Horizontal) at 12:46 AM GMT.

26S Descent Timeline Overview:
If everything proceeds nominally, the return to Earth of the Soyuz TMA-21 spacecraft tonight will proceed along the following approximate event sequence (all times GMT):
• Orbital (local) Sunset --- 1:23 AM
• Deorbit Burn start (delta-V 115.2 m/sec) --- 3:05:27 AM
• Deorbit Burn complete --- 3:09:47 AM
• Orbital (local) Sunrise --- 3:26 AM
• Trimodule Separation (~140 km alt) --- 3:33:24 AM
• Atmospheric entry (99.1 km alt, with ~170 m/sec) --- 3:36:43 AM
• Entry Guidance start (81.1 km alt) --- 3:38:20 AM
• Maximum G-load (38.9 km alt) --- 3:43:01 AM
• Parachute deploy command (10.8 km alt) --- 3:45:20 AM
• 26S Landing (DO1) --- 4:00:22 AM GMT, 07:00:22 AM Moscow DMT (09/16), 10:00:22 AM local Kazakhstan (loc. 47deg 16min N, 69deg 35min E)

[Note: Kazakhstan time = GMT+6h, = EDT+10h. Moscow DMT = EDT+7h.]
Electronic Engineer by day, NASASpaceflight's ISS Editor by night | Read my NASASpaceflight articles here

Offline John44

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Online Chris Bergin

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Re: LIVE: Soyuz TMA-21 landing - September 15, 2011
« Reply #7 on: 09/15/2011 11:58 PM »
Moved for live coverage

Online Chris Bergin

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Re: LIVE: Soyuz TMA-21 landing - September 15, 2011
« Reply #8 on: 09/16/2011 12:05 AM »
10 mins to NASA TV coverage. Currently covering Kepler.

Online Chris Bergin

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Re: LIVE: Soyuz TMA-21 landing - September 15, 2011
« Reply #9 on: 09/16/2011 12:11 AM »
New music, very spacey!

Online Chris Bergin

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Re: LIVE: Soyuz TMA-21 landing - September 15, 2011
« Reply #10 on: 09/16/2011 12:16 AM »

Online Chris Bergin

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Re: LIVE: Soyuz TMA-21 landing - September 15, 2011
« Reply #11 on: 09/16/2011 12:16 AM »
Shannon's there.

Online Chris Bergin

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Re: LIVE: Soyuz TMA-21 landing - September 15, 2011
« Reply #12 on: 09/16/2011 12:17 AM »

Online Chris Bergin

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Re: LIVE: Soyuz TMA-21 landing - September 15, 2011
« Reply #13 on: 09/16/2011 12:17 AM »

Online Chris Bergin

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Re: LIVE: Soyuz TMA-21 landing - September 15, 2011
« Reply #14 on: 09/16/2011 12:18 AM »
20 mins to go.

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