Author Topic: FAILURE: SS-520-4 (JAXA's nanosat launcher) - TRICOM-1 Jan. 14, 2017 (23:33 UTC)  (Read 82630 times)

Online Steven Pietrobon

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X+5 minutes. Should be in orbit. 2.5 minutes to separation.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline yoichi

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Online Steven Pietrobon

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X+6 minutes. 1.5 minutes to separation.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Online Steven Pietrobon

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X+7.5 minutes. Should be separated now. Waiting on confirmation.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Chris Bergin

If you hear anything, yoichi - please pass on!
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Online Steven Pietrobon

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Showing a launch replay.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline yoichi

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waiting for press conference


Offline Chris Bergin

2 hours 43 mins.....do we at least know if it got to S/C Sep?
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Launch plume.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Chris Bergin

Longer range replay:
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Webcast has ended.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline northenarc

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https://twitter.com/Spaceflight101/status/820415371786256384
Spaceflight101 ‏@Spaceflight101 10m10 minutes ago

SS-520-4 should be in orbit, but its 3rd stage only carries GPS equipment, no real telemetry. S/C separation to be confirmed after 1st orbit

Offline russianhalo117

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2 hours 43 mins.....do we at least know if it got to S/C Sep?
NVS said 100 minutes after launch for acquisition and confirmation of Sep

Offline Chris Bergin

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Online Steven Pietrobon

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https://twitter.com/Spaceflight101/status/820415371786256384
Spaceflight101 ‏@Spaceflight101 10m10 minutes ago

SS-520-4 should be in orbit, but its 3rd stage only carries GPS equipment, no real telemetry. S/C separation to be confirmed after 1st orbit

That should be in about an hours time, at around 0100 UTC.
« Last Edit: 01/14/2017 10:55 pm by Steven Pietrobon »
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Online Steven Pietrobon

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Short video of the launch. The satellite should be going overhead in Japan if the launch was successful.

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

Online Steven Pietrobon

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Another view of the launch.

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

Offline MATTBLAK

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Doesn't hang about, does it?! ;)
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Offline Galactic Penguin SST

Oops. According to reports they lost telemetry after 1st stage cutoff and the 2nd stage never ignited.  :(
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Offline jcm

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Oops. According to reports they lost telemetry after 1st stage cutoff and the 2nd stage never ignited.  :(

:-(

Are they sure it didn't ignite, or just they don't have the telemetry to confirm?
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Jonathan McDowell
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