Author Topic: Gaofen-7 - CZ-4B - Taiyuan - November 3, 2019 (03:22 UTC)  (Read 18509 times)

Offline beidou

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According to Chinese news reports: this project was kicked off on Dec 26th, and the principal contractor is the National Administration of Surveying, Mapping and Geoinformation of China (NASMG). Gaofen-7 will have similar but better capability than that of Ziyuan-3, which was launched at the beginning of 2012.
« Last Edit: 11/05/2019 09:11 am by input~2 »

Online Satori

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Re: Gaofen-7 - CZ-2D - Jiuquan - December 2018
« Reply #1 on: 09/04/2018 03:54 pm »
Launch to take place in December 2018.

Offline zandr

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Re: Gaofen-7 - CZ-2D - Jiuquan - 2019
« Reply #2 on: 03/21/2019 08:09 pm »
http://www.xinhuanet.com/english/2019-03/21/c_137913427.htm
Quote
Source: Xinhua| 2019-03-21 20:38:42
BEIJING, March 21 (Xinhua) ...
Zhang Kejian, vice minister of industry and information technology and head of SASTIND and CNSA, said at a press conference that after the launch of the Gaofen-7 satellite later this year, China will complete the construction of its space-based Earth observation system with seven high-resolution satellites...
« Last Edit: 03/22/2019 01:35 am by zubenelgenubi »

Online Galactic Penguin SST

Re: Gaofen-7 - CZ-2D - Jiuquan - 2019
« Reply #3 on: 09/30/2019 12:58 am »
Launch scheduled for November 2019 according to 9ifly.

BTW past data gives the satellite mass as 2400 kg with the orbit altitude at 500 km, so (confirmed by official reports) this will be launched on a CZ-4B out of Taiyuan instead.
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Offline tehwkd

Re: Gaofen-7 - CZ-2D - Jiuquan - 2019
« Reply #4 on: 09/30/2019 02:31 am »
Launch scheduled for November 2019 according to 9ifly.

BTW past data gives the satellite mass as 2400 kg with the orbit altitude at 500 km, so (confirmed by official reports) this will be launched on a CZ-4B out of Taiyuan instead.

November is based on:
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Offline tehwkd

Re: Gaofen-7 - CZ-4B - Taiyuan - November 2019
« Reply #5 on: 11/02/2019 03:16 am »
Post has been updated to 0400 UTC tomorrow (Nov3)


Launch possibly happening today around 0400 UTC. No notams and haven't found a second source yet

https://twitter.com/LaunchStuff/status/1190481693351776256
« Last Edit: 11/02/2019 03:27 am by tehwkd »
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Re: Gaofen-7 - CZ-4B - Taiyuan - November 3, 2019
« Reply #6 on: 11/02/2019 09:25 am »
Gaofen-7 and three small satellites:

-  high-altitude test satellite developed by Shenzhen Aerospace Red Sea Special Satellite Co., Ltd.

- Sudan Science Experiment Satellite No.1 (?)

- Tianyi's Space Science and Technology Research Institute Co., Ltd, Xiaoxiang-8
« Last Edit: 11/02/2019 09:32 am by Satori »

Offline zubenelgenubi

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Re: Gaofen-7 - CZ-4B - Taiyuan - November 3, 2019
« Reply #7 on: 11/02/2019 10:28 am »
Gunter lists Gaofen-7 as a similar, yet improved Ziyuan-3.

The previous 2 ZY-3's were launched to SSO's with a LTDN circa 10:30 am.  Both launched at 03:17 UTC.

(LTDN = local time descending node)

ZY-3 #1 launch thread
ZY-3 #2 launch thread
***

Belated congratulations on another international "two-fer" orbital launch day (UTC):
Cygnus NG-12,
this launch.
« Last Edit: 11/14/2019 05:09 pm by zubenelgenubi »
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Offline Steven Pietrobon

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Re: Gaofen-7 - CZ-4B - Taiyuan - November 3, 2019
« Reply #8 on: 11/03/2019 01:16 am »
Here's the 9ifly thread. There is a report of fog at the launch site.

http://www.9ifly.cn/thread-14212-5-1.html
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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Re: Gaofen-7 - CZ-4B - Taiyuan - November 3, 2019
« Reply #9 on: 11/03/2019 01:33 am »
The first satellite is called 精致高分试验卫星 or Exquisite High-score Test Satellite or Jingzhi Gaofen Shiyan Weixing.

The second satellite is called 苏丹科学实验卫星一号 or Sudan Scientific Experimental Satellite 1.

The third satellite is called 潇湘一号08星 or Xiaoxiang-1 08.

http://www.9ifly.cn/forum.php?mod=redirect&goto=findpost&ptid=14212&pid=688559

Space insights
Today 11:53 From SpaceNews Superword Edited
Launch Forecast: Tomorrow (November 3) at noon, China will launch the High Score 7 satellite and three small satellites with the Long March IV B carrier rocket at the Taiyuan Satellite Launch Center. The three small satellites are the exquisite high-score test satellite developed by Shanghai Aerospace Technology Research Institute, the Development of Sudan Science Experimental Satellite One by Shenzhen Aerospace Oriental Red Sea Satellite Co., Ltd., and the Xiang-1 08 star developed by Changsha Tianyi Space Science and Technology Research Institute Co., Ltd.
« Last Edit: 11/03/2019 01:34 am by Steven Pietrobon »
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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Re: Gaofen-7 - CZ-4B - Taiyuan - November 3, 2019
« Reply #10 on: 11/03/2019 01:41 am »
This post is estimating launch at about 3:20 UTC.

http://www.9ifly.cn/forum.php?mod=redirect&goto=findpost&ptid=14212&pid=688583

Guess about 11:20 launch
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline GELORD

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Re: Gaofen-7 - CZ-4B - Taiyuan - November 3, 2019
« Reply #11 on: 11/03/2019 02:14 am »
与战士站岗、炊事员做饭一样,航天员是一种职业,工作就是飞行。

Offline Steven Pietrobon

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Re: Gaofen-7 - CZ-4B - Taiyuan - November 3, 2019
« Reply #12 on: 11/03/2019 02:20 am »
Launch should be happening about now.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Online Galactic Penguin SST

Re: Gaofen-7 - CZ-4B - Taiyuan - November 3, 2019
« Reply #13 on: 11/03/2019 02:33 am »
Liftoff confirmed.

Picture from somewhere near the launch site.
« Last Edit: 11/03/2019 02:34 am by Galactic Penguin SST »
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Offline tehwkd

Re: Gaofen-7 - CZ-4B - Taiyuan - November 3, 2019
« Reply #14 on: 11/03/2019 02:50 am »
SUCCESS, T-0 0322 UTC

Quote
[Forward congratulations! #高分七号星发射成功# The[mighty] reporter learned from the National Space Administration that at 11:22 today, China successfully launched the high-scoring satellite No. 7 with the Long March 4B carrier rocket at the Taiyuan Satellite Launch Center. The high-scoring satellite No. 7 is China's first civilian sub-meter optical transmission stereo mapping satellite. After the star runs, it will play an important role in land surveying and mapping, urban and rural construction, and statistical surveys. (CCTV reporter Li Xia)



https://www.weibo.com/2656274875/IetKPEAPZ?refer_flag=1001030103_&type=comment#_rnd1572753019416
« Last Edit: 11/03/2019 02:52 am by tehwkd »
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Offline Steven Pietrobon

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Re: Gaofen-7 - CZ-4B - Taiyuan - November 3, 2019 (03:22 UTC)
« Reply #15 on: 11/03/2019 02:57 am »
« Last Edit: 11/03/2019 03:00 am by Steven Pietrobon »
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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Re: Gaofen-7 - CZ-4B - Taiyuan - November 3, 2019 (03:22 UTC)
« Reply #16 on: 11/03/2019 03:00 am »
Launch video.

https://www.weibo.com/3279752321/IetNSclVP

twitter.com/LaunchStuff/status/1190840955945078784
« Last Edit: 11/03/2019 03:04 am by Steven Pietrobon »
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline whiztech

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Re: Gaofen-7 - CZ-4B - Taiyuan - November 3, 2019 (03:22 UTC)
« Reply #17 on: 11/03/2019 03:03 am »
short launch video from Our Space
https://weibo.com/tv/v/IetObpCue

Offline tehwkd

Our Space has deleted their photo and video posts. Here's hoping it doesn't mean anything...
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Online Galactic Penguin SST

Our Space has deleted their photo and video posts. Here's hoping it doesn't mean anything...

The post has been resubmitted.

Also it seems thst this flight is also testing 1st stage grid fins as well.
« Last Edit: 11/03/2019 03:41 am by Galactic Penguin SST »
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