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Author Topic: Tianhui-1B CZ-2D launch, JSLC - May 6, 2012  (Read 32829 times)

Online Satori

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Tianhui-1B CZ-2D launch, JSLC - May 6, 2012
« on: 03/30/2012 10:08 am »
First launch from Jiuquan in 2012 will probably see the launch of the second TH Tianhui satellite in late April or early May.
« Last Edit: 05/04/2012 08:27 am by input~2 »
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Online Galactic Penguin SST

Re: Tianhui-1B CZ-2D launch, JSLC - early May 2012
« Reply #1 on: 05/02/2012 07:30 am »
Looks like this launch is coming soon.... it seems to be scheduled for launch in "early May".

BTW I don't think this picture of a model of the original TH-1 has been posted in here before... (it's from here)
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Offline input~2

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Re: Tianhui-1B CZ-2D launch, JSLC - April/May 2012
« Reply #2 on: 05/04/2012 08:23 am »
Quote
A0425/12 -  A TEMPORARY RESTRICTED AREA ESTABLISHED BOUNDED BY:  N331120E0981507-N331626E0975006 -N340900E0980524-N340014E0983040 BACK TO START. VERTICAL LIMITS:  SFC-UNL.ALL ACFT ARE PROHIBITED TO FLY INTO THE AREA. SFC - UNL, 06 MAY 07:10 2012 UNTIL 06 MAY 07:31 2012. CREATED: 04 MAY 08:20 2012

A0424/12 -  A TEMPORARY RESTRICTED AREA ESTABLISHED BOUNDED BY:  N351153E0984630-N351446E0982704 -N354352E0983340-N353958E0985942 BACK TO START. VERTICAL LIMITS:  SFC-UNL.ALL ACFT ARE PROHIBITED TO FLY INTO THE AREA. SFC - UNL, 06 MAY 07:10 2012 UNTIL 06 MAY 07:25 2012. CREATED: 04 MAY 08:18 2012
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Offline input~2

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Re: Tianhui-1B CZ-2D launch, JSLC - May 6, 2012
« Reply #3 on: 05/04/2012 08:28 am »
So launch to take place on May 6, around 0715UTC
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Offline input~2

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Re: Tianhui-1B CZ-2D launch, JSLC - May 6, 2012
« Reply #4 on: 05/04/2012 08:37 am »
Presumably A0425/12 (northernmost zone) for 1st stage drop zone and A0424/12 for fairing drop zone
« Last Edit: 05/04/2012 08:42 am by input~2 »
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Offline input~2

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Re: Tianhui-1B CZ-2D launch, JSLC - May 6, 2012
« Reply #5 on: 05/04/2012 09:37 am »
For reference, Tianhui-1 was launched at 0710:04UTC
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Offline input~2

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Re: Tianhui-1B CZ-2D launch, JSLC - May 6, 2012
« Reply #6 on: 05/04/2012 09:53 am »
LTDN of Tianhui-1 is presently 01:22pm
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Offline Paul Howard

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Re: Tianhui-1B CZ-2D launch, JSLC - May 6, 2012
« Reply #7 on: 05/06/2012 06:08 am »
So this is one hour away? The LTDN time is confusing, is it 7:10 UTC or 1:22pm for launch?
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Online Galactic Penguin SST

Re: Tianhui-1B CZ-2D launch, JSLC - May 6, 2012
« Reply #8 on: 05/06/2012 06:17 am »
Quote from: Paul Howard on 05/06/2012 06:08 am
So this is one hour away? The LTDN time is confusing, is it 7:10 UTC or 1:22pm for launch?

Yup it should be now at T-1 hour. Only caught one twit on the Chinese micro-blogs, but it confirms that it seems to be right on schedule.

LTDN = local time at descent node, the local mean solar time that an object on that orbit descends over the equator of the Earth's surface. It's a unique characteristic of a sun-synchronous orbit (more explanation at Wikipedia here).
« Last Edit: 05/06/2012 06:23 am by Galactic Penguin SST »
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Online Chris Bergin

Re: Tianhui-1B CZ-2D launch, JSLC - May 6, 2012
« Reply #9 on: 05/06/2012 07:15 am »
Standing by. Hope we get confirmation soon as I need to head out.
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Online Galactic Penguin SST

Re: Tianhui-1B CZ-2D launch, JSLC - May 6, 2012
« Reply #10 on: 05/06/2012 07:28 am »
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Online Chris Bergin

Re: Tianhui-1B CZ-2D launch, JSLC - May 6, 2012
« Reply #11 on: 05/06/2012 07:28 am »
Excellent!
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Online Galactic Penguin SST

Re: Tianhui-1B CZ-2D launch, JSLC - May 6, 2012
« Reply #12 on: 05/06/2012 07:33 am »
« Last Edit: 05/06/2012 07:33 am by Galactic Penguin SST »
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Online Chris Bergin

Re: Tianhui-1B CZ-2D launch, JSLC - May 6, 2012
« Reply #13 on: 05/06/2012 07:34 am »
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Re: Tianhui-1B CZ-2D launch, JSLC - May 6, 2012
« Reply #14 on: 05/06/2012 07:57 am »
Launch success confirmed by Xinhua: http://www.chinanews.com/gn/2012/05-06/3867656.shtml
« Last Edit: 05/06/2012 09:29 am by Galactic Penguin SST »
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Offline Salo Ukr

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Re: Tianhui-1B CZ-2D launch, JSLC - May 6, 2012
« Reply #15 on: 05/06/2012 08:55 am »
China launches new mapping satellite
English.news.cn   2012-05-06 16:38:54

http://news.xinhuanet.com/english/sci/2012-05/06/c_131571160.htm
« Last Edit: 05/06/2012 03:33 pm by Andy USA »
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Online Galactic Penguin SST

Re: Tianhui-1B CZ-2D launch, JSLC - May 6, 2012
« Reply #16 on: 05/06/2012 09:31 am »
Photos:
« Last Edit: 05/06/2012 09:42 am by Galactic Penguin SST »
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Online Galactic Penguin SST

Re: Tianhui-1B CZ-2D launch, JSLC - May 6, 2012
« Reply #17 on: 05/06/2012 09:52 am »
Launch video: http://news.cntv.cn/china/20120506/105615.shtml

The exact launch time is 07:10:04.736 UTC.
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Online Galactic Penguin SST

Re: Tianhui-1B CZ-2D launch, JSLC - May 6, 2012
« Reply #18 on: 05/06/2012 11:01 am »
First TLE set from NORAD shows the satellite is in a  492.8 x 503.6 km x 97.36 deg. orbit. (@ 09:52 UTC)
« Last Edit: 05/06/2012 11:09 am by Galactic Penguin SST »
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Offline input~2

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Re: Tianhui-1B CZ-2D launch, JSLC - May 6, 2012
« Reply #19 on: 05/06/2012 01:46 pm »
Flight velocity vs. flight time from video screenshot.
The additional velocity   increase (white dots) after 2nd stage (yellow dots) MECO could come AFAIU from the 2nd stage Vernier engines           
« Last Edit: 05/06/2012 02:05 pm by input~2 »
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