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Post Info TOPIC: China's next mission
Blobrana


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RE: China's next mission
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Taikonaut Fei Junlong stepped out of the re-entry module first, waving to the ground recovery team.
Nei Haisheng followed him shortly afterwards.
They are both sitting in reclining chairs, getting used to the gravity.

Both say they feel good, and thanking the people for their support.


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Blobrana


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Shenzhou Returns
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The two taikonauts, Fei Junlong and Nie Haisheng landed 6 kms away from the former landing site of the shenzhou-5 re-entry module and only 1 km away from the preset landing spot.

The taikonauts are undergoing medical checks, but they seem to be ok.


Vehicles carrying members of the ground searching team of the re-entry capsule of China's second manned spacecraft



credit xinhua

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Blobrana


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Shenzhou6 Returns
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The two Chinese taikonauts have returned to Earth!
The Shenzhou 6 capsule touched down at 2032 GMT.

Position of the spacecraft (parts) now.



-- Edited by Blobrana at 21:57, 2005-10-16

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Blobrana


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As of Sunday afternoon, Fei Junlong and Nie Haisheng, had flown 4.5 million km since their launch into space, now they are due to return.

"Six helicopters, 14 special vehicles and more than 200 rescuers are in the primary landing site in Siziwang Banner " - Sui Qisheng, chief commander of landing mission.

"Continuous improvements have been made at the primary landing site though ensure rescue staff were able to reach the capsule within five minutes after the landing two years ago" - Hou Ying, chief designer of the landing site system.




After the separation, the re-entry capsule's position were adjusted for a return trajectory. Retro engines are ignited to make the capsule drop from its orbit and into a return trajectory.
The ignition timing must be extremely accurate; a one second would means nine km of difference of the capsule's landing place.
Along the return trajectory, the spaceship maintains unpowered free descending. About 140 km above the Earth, the propulsion module is separated from the re-entry capsule, with the former that will be burned up in the atmosphere.
The re-entry capsule keeps descending through the atmosphere. About 100 km above ground, the capsule will experience the densest part and will produce a large amount of heat on the surface of the heat shield.
Accordingly, the high-temperature plasma gas layer produced over the capsule surface shields electromagnetic signals, making the capsule lose contact temporarily with the ground control centre.
The blackout phenomenon disappears when the re-entry capsule drops to 40 km above the Earth, and its communication with the ground resumes.
When the capsule is only 10 km from the ground, the final landing phase is activated. The guiding parachute, deceleration parachute and main parachute are unfurled, and the capsule drops slowly.
When the capsule is one meter above the ground, four reverse-thrust rocket engines are ignited to achieve the capsule's soft landing at a speed of one to two meters per second.
As soon as the Shenzhou VI's re-entry capsule touched ground, medical staff at the site would open the hatch, assess whether the astronauts needed treatment and help them walk out on their own if they were up to it

Source Xinhua

-- Edited by Blobrana at 22:57, 2005-10-16

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Blobrana


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Taikonauts may return
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The taikonauts may return today.


Expand (80kb, 796 x 455)
The landing site is 80 Km north of Hohhot.

(The measurement line is 30km long)

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Blobrana


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Chinese taikonauts
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Chinese taikonauts Fei Junlong and Nie Haisheng take photos for each other in the Shenzhou-6 spacecraft in this video grab obtained at the Beijing Aerospace Command and Control Centre in Beijing, capital of China, Oct. 14, 2005.



Currently they are preparing for the re-entry.

Thirteen landing sites are available, including the primary site near the town Siziwang Qi in Inner Mongolia, a backup at the Jiuquan launch centre, and eleven other emergency sites scattered across the globe in Australia, northern Africa, Europe, and the United States.

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Blobrana


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Shenzhou VI landing
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Scientists will decide when to bring China's second piloted spacecraft Shenzhou VI back to Earth, the weather at the landing site in Inner Mongolia Autonomous Region being the key factor.

The return time will be fixed in accordance with meteorological and other conditions at the main landing area in Siziwang Banner County, said Wu Guoting, senior researcher with the China Research Institute of Space Technology.

Wu said the return may occur on, before or after the fifth day of Shenzhou VI's lift-off on Wednesday morning.

The spacecraft has been well prepared for a longer journey, with supplies of food, water, oxygen, and other necessities — enough for a seven-day space flight.

The primary landing area for China's orbiting manned spacecraft Shenzhou VI has been well prepared and is ready to welcome the two taikonauts (Chinese word for astronauts) back home.

Wang Zhichao, head of the army radar team at the landing site, said if the wind blows at a speed above 10 meters per second at 100 meters above the ground, it will be unsafe for the re-entry module to land.



"In the coming few days, weather conditions at the primary landing area will be basically suitable for the taikonauts to return" - Li Yonghui, head of the troop's meteorological team.

Eight helicopters are ready to retrieve the re-entry module. Day and nighttime search and rescue exercises have been conducted.

Colonel Yuan Shuili, with a flight record of more than 3,000 hours, will pilot the first rescue helicopter and land it at around 50 meters from the planned landing spot of the capsule.

A special highway for recovery of experimental equipment aboard the Shenzhou VI opened to traffic on Friday morning. It is expected to make the recovery process more efficient.

Siziwang Banner County would remain unknown to most Chinese, and the world, if Shenzhou VI's primary landing area was not located there. The county is located in the Ulanqab League prefecture of north China's Inner Mongolia Autonomous Region and is about 150 kilometres north of the regional capital, Hohhot. The county used to be a fiefdom of four descendants of a brother of Genghis Khan.

source

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Blobrana


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Position of the spacecraft now.


Position of spacecraft at 17:00 UT 16th October.

TLE Data

SZ-6
1 28879U 05040A 05288.53751157 .00014829 00000-0 84532-4 0 171
2 28879 042.4136 006.2432 0005310 215.6051 348.6335 15.78680767 515

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Blobrana


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Wulanhua Town
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The primary landing area for China's orbiting manned spacecraft Shenzhou-6 to return has been prepared well and is poised to welcome the two taikonauts (Chinese term of astronauts) back home.

Wulanhua Town, Siziwang Banner (county) remains unknown to even most Chinese; but the Shenzhou-6's primary landing area is sited there. The county is located in the Ulanqab League (prefecture) of north China's Inner Mongolia Autonomous Region and is about 150 km north of the regional capital, Hohhot. The county used to be fief of four descendents of a brother of Genghis Khan.
Wulanhua Town, at which the county government is seated, covers a total area of around 24,000 square kilometres with a population of 200,000. About 60 km north of Wulanhua Town, there is a vast, smooth pasture named Amugulang in Hongger Township, which has been designated as the primary landing area for Shenzhou-6.
In Mongolian language, "hongger" means gentle place and "mugulang", safely.



Along with the blastoff of manned spacecraft, residents at Wulanhua have begun to call their hometown "Shenzhou-6's home", with hotel business booming with the scheduled return of the spacecraft's re-entry module.
A special highway for recovery of experimental equipment aboard the Shenzhou-6 was opened to traffic on Friday morning.

The 64.69-km-long road links Wulanhua Town and Hongger Township.
Construction began in October 2004 and finished on Sept.15, 2005; shortening the travel time between the two places from more than two hours to 40 minutes.
The highway will not only be used for experimental-equipment recovery, but also contribute to development of local tourism and grassland economy.
At Hongger Township there is a red three-storey building, at which the headquarters of landing-site troop is located. It is China's only troop for satellite and manned spacecraft recovery, according to Yao Feng, head of the unit.

Formed 36 years ago, the troop has since accomplished recovery of five spaceships and 21 satellites. More than 300 people have been organized for the upcoming recovery of the Shenzou-6's re-entry module. When there is no task for the troop, however, only 12 people left at the least to take care of related equipment in the landing area.
South of the red building, on the grassland eight helicopters array. The aircraft, in yellow and green, will be responsible for searching for Shenzhou-6's re-entry module. Colonel Yuan Shuili, with a flight record of more than 3,000 hours, will pilot the first rescue helicopter and land it at around 50 meters from the planned landing spot of the capsule.

Wang Zhichao, the 26-year-old head of the troop's radar team, keeps gazing at the monitor of wind changes near the ground. Wang said if the wind blows at a speed faster than 10 meters per second at a height of 100 meters above the ground, it will unsuitable for the re-entry module to land.

"In the coming few days, weather conditions at the primary landing area will be basically suitable for the taikonauts to return" - Li Yonghui, head of the troop's meteorological team.

"We should prepare well for the most dangerous situation"- Sui Qisheng, who serves for the first time as the chief commander of the landing system at large.

All parts of the whole landing system have started since the Shenzhou-6 blasted off on Wednesday morning.
The system, huge and rigorous, virtually involves about 10,000 workers, directly and indirectly. They include experienced pilots, doctors, drivers of various special vehicles, telecom experts, meteorologists, divers and rescuers.
Sui considers the taikonauts' possible return at night the biggest challenge. Night rescue drillings have been completed on the primary landing area.
According to Colonel Zhang Zhenglin, a pilot of the above-mentioned helicopters, each of the copters have been equipped with a night vision device.

"The manned space program is just like a relay race, the landing system is like the runner for the last baton"- Sui Qisheng.
Source xinhuan

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