Author Topic: FAILURE: Shijian-18 - CZ-5 (Y2) - WSLC, LC101 - July 2, 2017 (11:23 UTC)  (Read 74799 times)

Offline JimO

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Anybody working on this? -- we need to get a lat/long/alt/time plot to correlate with aspect angles in the Luzon images.



Offline JimO

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more local Philippines sightings reports....


 

Online zubenelgenubi

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Is this phenomenon something that Filipino sky-watchers will have future opportunities to see and record, under the right lighting conditions--GTO/GEO launches from Wenchang?

Would those opportunities be predictable?
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Offline Lars-J

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Is this phenomenon something that Filipino sky-watchers will have future opportunities to see and record, under the right lighting conditions--GTO/GEO launches from Wenchang?

Would those opportunities be predictable?

Yes. Any launch just after sunset from Wenchang (most GTO launches) could produce a similar effect.

Offline 1

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Is this phenomenon something that Filipino sky-watchers will have future opportunities to see and record, under the right lighting conditions--GTO/GEO launches from Wenchang?

Would those opportunities be predictable?

Yes. Any launch just after sunset from Wenchang (most GTO launches) could produce a similar effect.

Or just before sunrise; and from most any launch site. Plenty of "UFO" sightings from our own proverbial back yard. For example, the MUOS 4 launch.


Offline SmallKing

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Online FutureSpaceTourist

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Quote
Tian: Long March 5 investigation ongoing, hope to have details by the end of the year. Will adjust schedules of Chang’e-5 and 4. #IAC2017

https://twitter.com/jeff_foust/status/912197913995911168

Offline Star One

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Here’s the related article to the above tweet.

Long March 5 failure to postpone China’s lunar exploration program

Quote
A leading official of China’s space program confirmed Sept. 25 that the July failure of the country’s largest launch vehicle will lead to delays to upcoming lunar missions, including one to return samples.

Tian Yulong, secretary general of the China National Space Administration, said at a press conference during the 68th International Astronautical Congress here that the investigation into the July 2 failure of the Long March 5 on its second mission was ongoing, with no updates on the cause of the failure.

“The Long March 5 is a bigger challenge for China’s space agency,” he said. “In the future, maybe the end of the year, we will have a clear understanding of the problem.”

http://spacenews.com/long-march-5-failure-to-postpone-chinas-lunar-exploration-program/

Offline SmallKing

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Interesting. Someone in 9ifly reminded me that the Xiang Yang Hong 09 survey vessel(support ship of the submarine Jiao Long) is just in the position of CZ-5 stage 1 crash. I just checked the satellite AIS, the current position of the ship is 139°34.08'E 16°49.91'N in 2017-10-03 04:28:38(UTC +8)
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Offline Moon Rabbit

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Anyone who has subscription to Aviationweek? Came across this article or rather a synopsis of a news that the failure have been identified. The full article requires subscription, so I have not been able to read it in full.

http://aviationweek.com/space/long-march-5-fault-identified-other-launchers-unaffected
"Chinese space engineers have identified the fault that caused the failure of the second flight of their country’s largest space launcher, Long March 5, a problem that appears to be pushing back the mission schedule by about a year. The cause of the failure was simply a manufacturing defect in one of the two YF-77 hydrogen-burning engines of the core first stage, says a source close to the Chinese industry. The fault was quickly pinned down, says that source, who adds there was nothing ..."

« Last Edit: 10/08/2017 08:37 AM by Moon Rabbit »
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Offline Phillip Clark

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Is there a launch code available for this flight, please?

Offline SmallKing

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Is there a launch code available for this flight, please?
Should be 07-W4
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Offline Phillip Clark

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Is there a launch code available for this flight, please?
Should be 07-W4

Agreed that is what is *should* be, but as far as I know the code for Tianzhou 1 hasn't been confirmed as being 07-W3.

Offline SmallKing

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Sure. I just did some search work, and found nothing...
« Last Edit: 10/10/2017 08:49 AM by SmallKing »
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Offline linxiaoyi

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It's 07-W3, I saw it with my own eyes
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Offline SmallKing

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It's 07-W3, I saw it with my own eyes
Are you sure? I highly doubt it
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Offline cscott

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It's 07-W3, I saw it with my own eyes
Are you sure? I highly doubt it

Possibly @linxiaoyi means they saw 07-W3 for Tianzhou 1 with their own eyes?

Offline Moon Rabbit

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Came across this article dated 27 Sept 2017:
https://thespacereporter.com/article.php?n=rocket-failure-causes-china-to-postpone-lunar-sample-return-mission&id=131684

There was a mentioned of a second Shijian-18. I assume the author meant a backup for the Shijian-18 that was lost. Scheduled for next month? Using the CZ-5 (Y3) that was initially meant for Chang'e 5? What do you think...just speculation by the author?

"Another Long March 5 launch scheduled for November might carry a second Shijian-18 satellite, replacing the first one, which was destroyed in the failed launch." (paragraph six of the article)
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Online zhangmdev

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If there is a launch next month, rocket stages should be transported to Wenchang right now. Could be verified by checking the whereabout of yuangwang21/22.

Edit: found Yuan Wang 21 anchored at Zhangjiagang.

https://www.fleetmon.com/vessels/yuan-wang-21_0_8295142/

Don't known where is Yuan Wang 22 right now.
« Last Edit: 10/13/2017 06:31 PM by zhangmdev »

Offline Satori

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Previous information said that that launch was schedule for the second quarter of 2018.

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