Author Topic: YG-7 YaoGan Weixing-7 CZ-2D launch - December 9, 2009  (Read 27979 times)

Offline Satori

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Xinhua announced (in Chinese) that the preparations for the launch od YG-7 are progressing without problems in Jiuquan.

Offline Liss

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Re: YG-7 YaoGan Weixing-7 CZ-2D launch - December 9, 2009
« Reply #1 on: 12/09/2009 09:20 am »
According to http://news.xinhuanet.com/mil/2009-12/09/content_12618591.htm , the launch was successful at 16:42 Beijing time = 08:42 UTC.
« Last Edit: 12/09/2009 09:22 am by Liss »
This message reflects my personal opinion based on open sources of information.

Offline Satori

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Re: YG-7 YaoGan Weixing-7 CZ-2D launch - December 9, 2009
« Reply #2 on: 12/09/2009 09:29 am »
According to http://news.xinhuanet.com/mil/2009-12/09/content_12618591.htm , the launch was successful at 16:42 Beijing time = 08:42 UTC.

Great news! Thanks!

Offline wbhh

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Re: YG-7 YaoGan Weixing-7 CZ-2D launch - December 9, 2009
« Reply #3 on: 12/09/2009 09:55 am »
0.41m ?

Offline Liss

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Re: YG-7 YaoGan Weixing-7 CZ-2D launch - December 9, 2009
« Reply #4 on: 12/09/2009 10:08 am »
Object #36110.
First TLE set corresponds to i=97.84°, Hp=626 km, Ha=655 km, P=97.55 min.
This message reflects my personal opinion based on open sources of information.

Offline Satori

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Re: YG-7 YaoGan Weixing-7 CZ-2D launch - December 9, 2009
« Reply #5 on: 12/09/2009 10:43 am »
Object #36110.
First TLE set corresponds to i=97.84°, Hp=626 km, Ha=655 km, P=97.55 min.

Liss, how this compares to the previous missions of this series?

Offline Liss

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Re: YG-7 YaoGan Weixing-7 CZ-2D launch - December 9, 2009
« Reply #6 on: 12/09/2009 10:47 am »
Object #36110.
First TLE set corresponds to i=97.84°, Hp=626 km, Ha=655 km, P=97.55 min.

Liss, how this compares to the previous missions of this series?
Essentially the same as for Yaogan weixing 2 and 4. Everything is the same except for producer: DFH Sat Co for 2 and 4 vs. CAST for 7. (Can't find out if CAST and DFH both belongs to CASC or DFH is a part of CAST.)
This message reflects my personal opinion based on open sources of information.

Offline asdert

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Re: YG-7 YaoGan Weixing-7 CZ-2D launch - December 9, 2009
« Reply #7 on: 12/09/2009 12:58 pm »
According to http://news.xinhuanet.com/mil/2009-12/09/content_12618591.htm , the launch was successful at 16:42 Beijing time = 08:42 UTC.

Now in English, too, but without the pictures of the Chinese page:
http://news.xinhuanet.com/english/2009-12/09/content_12619464.htm

Offline Satori

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Re: YG-7 YaoGan Weixing-7 CZ-2D launch - December 9, 2009
« Reply #8 on: 12/09/2009 02:01 pm »
Launch images...

Offline Satori

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Re: YG-7 YaoGan Weixing-7 CZ-2D launch - December 9, 2009
« Reply #9 on: 12/09/2009 02:02 pm »
Two more launch images...

Offline Satori

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Re: YG-7 YaoGan Weixing-7 CZ-2D launch - December 9, 2009
« Reply #10 on: 12/09/2009 02:03 pm »
According to http://news.xinhuanet.com/mil/2009-12/09/content_12618591.htm , the launch was successful at 16:42 Beijing time = 08:42 UTC.

Now in English, too, but without the pictures of the Chinese page:
http://news.xinhuanet.com/english/2009-12/09/content_12619464.htm

Those are two file images...

Offline Satori

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Re: YG-7 YaoGan Weixing-7 CZ-2D launch - December 9, 2009
« Reply #11 on: 12/09/2009 02:04 pm »
At http://news.sina.com.cn/c/p/2009-12-09/180219225101.shtml there is short video of the launch.

Offline limen4

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Re: YG-7 YaoGan Weixing-7 CZ-2D launch - December 9, 2009
« Reply #12 on: 12/10/2009 07:09 am »
Object #36110.
First TLE set corresponds to i=97.84°, Hp=626 km, Ha=655 km, P=97.55 min.

Liss, how this compares to the previous missions of this series?
Essentially the same as for Yaogan weixing 2 and 4. Everything is the same except for producer: DFH Sat Co for 2 and 4 vs. CAST for 7. (Can't find out if CAST and DFH both belongs to CASC or DFH is a part of CAST.)

DFH Sat Co is one of the departments of CAST with responsibility for small and micro-satellite manufacture.

Offline Liss

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Re: YG-7 YaoGan Weixing-7 CZ-2D launch - December 9, 2009
« Reply #13 on: 12/10/2009 10:11 am »
Everything is the same except for producer: DFH Sat Co for 2 and 4 vs. CAST for 7. (Can't find out if CAST and DFH both belongs to CASC or DFH is a part of CAST.)

DFH Sat Co is one of the departments of CAST with responsibility for small and micro-satellite manufacture.
Thank you. The strange thing is that for many previous launches Xinhua made clear distinction between spacecraft produced by CAST and by DFH Satellite Co. This time we expected to see a third DFH-built Yaogan weixing 2 type satellite.
This message reflects my personal opinion based on open sources of information.

Offline limen4

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Re: YG-7 YaoGan Weixing-7 CZ-2D launch - December 9, 2009
« Reply #14 on: 12/11/2009 06:17 pm »
Everything is the same except for producer: DFH Sat Co for 2 and 4 vs. CAST for 7. (Can't find out if CAST and DFH both belongs to CASC or DFH is a part of CAST.)

DFH Sat Co is one of the departments of CAST with responsibility for small and micro-satellite manufacture.
Thank you. The strange thing is that for many previous launches Xinhua made clear distinction between spacecraft produced by CAST and by DFH Satellite Co. This time we expected to see a third DFH-built Yaogan weixing 2 type satellite.

An image of YG-7 released at 9ifly (very likely from a launch video) seems to confirm your assumption, because it shows a CAST-2000 like bus, which is built by DFH.

Offline Skyrocket

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Re: YG-7 YaoGan Weixing-7 CZ-2D launch - December 9, 2009
« Reply #15 on: 12/11/2009 07:37 pm »
An image of YG-7 released at 9ifly (very likely from a launch video) seems to confirm your assumption, because it shows a CAST-2000 like bus, which is built by DFH.

Can you please post a link to this forum?

Offline Satori

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Re: YG-7 YaoGan Weixing-7 CZ-2D launch - December 9, 2009
« Reply #16 on: 12/11/2009 09:35 pm »
An image of YG-7 released at 9ifly (very likely from a launch video) seems to confirm your assumption, because it shows a CAST-2000 like bus, which is built by DFH.

Can you please post a link to this forum?

http://www.9ifly.cn/sub/forumdisplay.php?fid=7

Offline limen4

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Re: YG-7 YaoGan Weixing-7 CZ-2D launch - December 9, 2009
« Reply #17 on: 12/12/2009 10:39 am »
An image of YG-7 released at 9ifly (very likely from a launch video) seems to confirm your assumption, because it shows a CAST-2000 like bus, which is built by DFH.

Can you please post a link to this forum?

Attached the link to a Youtube launch video


Offline Liss

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Re: YG-7 YaoGan Weixing-7 CZ-2D launch - December 9, 2009
« Reply #18 on: 12/12/2009 09:04 pm »
DFH has already been confirmed as the producer.
This message reflects my personal opinion based on open sources of information.

Offline summit2

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Re: YG-7 YaoGan Weixing-7 CZ-2D launch - December 9, 2009
« Reply #19 on: 12/14/2009 10:48 am »
Thanks for the video Limen 4
As indicated in the chinese website, the Yaogan satellite are as followed :
   
Launch Date
Launch Cetre
Launch Vehicle
Orbit
Type
Yaogan Weixing 1   JianBing 5   27 Apr 06   Taiyuan   CZ-4B   SSO   SAR Radar imaging
Yaogan Weixing 2   JianBing 6   25 May 07   Jiuquan   CZ-2D   SSO   Electro-optical
Yaogan Weixing 3   JianBing 7   12 Nov 07   Taiyuan   CZ-4C   SSO   SAR Radar imaging
Yaogan Weixing 4   JianBing 8   1 Dec 08   Jiuquan   CZ-2D   SSO   Electro-optical
Yaogan Weixing 5   JianBing 9   15 Dec 08   Taiyuan   CZ-4B   SSO   SAR Radar imaging
Yaogan Weixing 6   JianBing 10   22 Apr 09   Taiyuan   CZ-2C   SSO   SAR Radar imaging

Following the video Yaogan Weixing 7 looks electro optical ...

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