Author Topic: FAILURE: SS-520-4 (JAXA's nanosat launcher) - TRICOM-1 Jan. 14, 2017 (23:33 UTC)  (Read 82654 times)

Offline edkyle99

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At just 2.6 tonnes, is this the lightest ever land based satellite launcher to reach the launch pad?
Does that include the "Stage Zero" booster?

 - Ed Kyle

Offline Skyrocket

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At just 2.6 tonnes, is this the lightest ever land based satellite launcher to reach the launch pad?
Does that include the "Stage Zero" booster?

 - Ed Kyle

The SS-520-4 does not have a "stage zero" booster.

Offline yoichi

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« Last Edit: 01/09/2017 04:21 am by yoichi »

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It seems that the T-0 target will be 23:48 UTC as announced during the pre-launch press conference today.

Here's a 360 degrees panorama of the sounding rocket pad with the rocket on top: https://theta360.com/s/mP8YDVNIIcPfmpQhzXWtgVOvE
« Last Edit: 01/09/2017 05:31 am by Galactic Penguin SST »
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Offline sdsds

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Is the pad newly built for this launch? Prior launches looked like they flew from a truck-based platform.
— 𝐬𝐝𝐒𝐝𝐬 —

Offline GClark

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After looking at the above linked panorama & satellite views of Uchinoura, it appears to be built on the site of the old Mu pad.

Offline Skyrocket

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After looking at the above linked panorama & satellite views of Uchinoura, it appears to be built on the site of the old Mu pad.


I do not think so, as the Mu pad is still on its site, although somewhat modified for Epsilon.

Offline Skyrocket

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Is the pad newly built for this launch? Prior launches looked like they flew from a truck-based platform.

There is indeed a new rail launcher at this site. I do not know, if it was built on purpose for this special launch.

Offline GClark

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Hmmm...

According to http://spacelaunchreport.com/padsites.html (Hat tip, Ed!) there are two pads at Uchinoura.  One is the former M-V pad, now rebuilt for Epsilon.  The other is on the hill above it.

Ed has it labeled as the former Mu pad - perhaps it is a sounding rocket facility instead?

Offline Skyrocket

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Hmmm...

According to http://spacelaunchreport.com/padsites.html (Hat tip, Ed!) there are two pads at Uchinoura.  One is the former M-V pad, now rebuilt for Epsilon.  The other is on the hill above it.

Ed has it labeled as the former Mu pad - perhaps it is a sounding rocket facility instead?


That what Ed has labled "former Mu pad" is the Sounding rocket pad (Lambda, S-310, S-520). This facility has apparently two launchers -  the one sheltered in the concrete structure (used for S-310) and the open air launcher (for S-520 and SS-520). The latter was originally only a concrete pad for a mobile launcher, but has now a firmly installed rail launcher (as seen in the SS-520-4 images)
« Last Edit: 01/09/2017 02:20 pm by Skyrocket »

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Launch live here...


Offline russianhalo117

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Is the pad newly built for this launch? Prior launches looked like they flew from a truck-based platform.

There is indeed a new rail launcher at this site. I do not know, if it was built on purpose for this special launch.
It may have been built for the NS-520 and NL-520 versions as the rail is long enough to accommodate their lengths.

Offline William Graham

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Is the pad newly built for this launch? Prior launches looked like they flew from a truck-based platform.

There is indeed a new rail launcher at this site. I do not know, if it was built on purpose for this special launch.

It was there in 2014 for the S-520-29 launch (image below from the ISAS website)

S-520-27 launched from the mobile launcher close to the position of the new launch rail, which would put the construction some time between December 2012 and August 2014:
http://www.isas.jaxa.jp/j/topics/topics/2013/0720_s-310-42.shtml

S-520-28 also used the mobile launcher, but from within the dome.


I've also found what appear to be the official names for the pads at Uchinoura: the sounding rocket pad (which will be used for this launch) appears to be called the KS Centre, and the Mu/Epsilon complex is called the Mu Centre.
http://global.jaxa.jp/about/centers/usc/
« Last Edit: 01/09/2017 10:30 pm by William Graham »

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Here's the range safety document that contains the flight profile. ;)
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Offline input~2

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WESTERN NORTH ATLANTIC.(sic :o )
PHILIPPINE SEA.
ROCKETS.
DNC 12.
1. HAZARDOUS OPERATIONS 102220Z TO 110010Z JAN,
ALTERNATE 2220Z TO 0010Z COMMENCING DAILY 11
THRU 30 JAN WITHIN:
A. 49 MILES OF 30-37-38N 133-09-50E.
B. 97 MILES OF 30-32-26N 140-26-58E.
2. CANCEL THIS MSG 310110Z JAN 17.//

Authority: NAVAREA XI 7/17 061112Z JAN 17.

Date: 061152Z JAN 17
Cancel: 31011000 Jan 17

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Moved for live coverage!
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Offline Robotbeat

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23:48 UTC is 6:48pm eastern time.
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Offline Fuji

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Is the pad newly built for this launch? Prior launches looked like they flew from a truck-based platform.

JFY2014, the old launch platform was changed to new system. (not for SS-520 only) 

Offline Fuji

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Hmmm...

According to http://spacelaunchreport.com/padsites.html (Hat tip, Ed!) there are two pads at Uchinoura.  One is the former M-V pad, now rebuilt for Epsilon.  The other is on the hill above it.

Ed has it labeled as the former Mu pad - perhaps it is a sounding rocket facility instead?


That what Ed has labled "former Mu pad" is the Sounding rocket pad (Lambda, S-310, S-520). This facility has apparently two launchers -  the one sheltered in the concrete structure (used for S-310) and the open air launcher (for S-520 and SS-520). The latter was originally only a concrete pad for a mobile launcher, but has now a firmly installed rail launcher (as seen in the SS-520-4 images)

Here is a good picture for you. (Photo by Minoru Otsuka)
http://news.mynavi.jp/articles/2017/01/10/ss520_04_01/

Offline yoichi

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