Author Topic: FAILURE: SS-520-4 (JAXA's nanosat launcher) - TRICOM-1 Jan. 14, 2017 (23:33 UTC)  (Read 30148 times)

Offline Skyrocket

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The Japanese Ministry of education and Science (MEXT) has published a number of documents on the SS-520-4 nanosat launcher. Apparently the fourth SS-520 sounding rocket will be fitted with an additional 3rd stage to put a 4 kg CubeSat called TRICOM-1 into orbit og 180 km x 1500 km x 31°.

I could not figure out, if there is a scheduled launch date, but as the serial number of launcher (SS-520-4)is given, this project appears to be pretty advanced. Perhaps someone with Japanese language skills can figure out more.

http://www.mext.go.jp/b_menu/shingi/gijyutu/gijyutu2/060/shiryo/__icsFiles/afieldfile/2016/06/09/1371895_4.pdf
http://www.mext.go.jp/b_menu/shingi/gijyutu/gijyutu2/060/shiryo/__icsFiles/afieldfile/2016/06/09/1371895_5.pdf
http://www.mext.go.jp/b_menu/shingi/gijyutu/gijyutu2/060/shiryo/__icsFiles/afieldfile/2016/06/09/1371895_6.pdf
http://www.mext.go.jp/b_menu/shingi/gijyutu/gijyutu2/060/shiryo/__icsFiles/afieldfile/2016/06/09/1371895_7.pdf
« Last Edit: 01/15/2017 12:58 AM by Chris Bergin »

Offline russianhalo117

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Re: SS-520-4 nanosat launcher based on sounding rocket
« Reply #1 on: 06/21/2016 06:10 PM »
The Japanese Ministry of education and Science (MEXT) has published a number of documents on the SS-520-4 nanosat launcher. Apparently the fourth SS-520 sounding rocket will be fitted with an additional 3rd stage to put a 4 kg CubeSat called TRICOM-1 into orbit og 180 km x 1500 km x 31°.

I could not figure out, if there is a scheduled launch date, but as the serial number of launcher (SS-520-4)is given, this project appears to be pretty advanced. Perhaps someone with Japanese language skills can figure out more.

http://www.mext.go.jp/b_menu/shingi/gijyutu/gijyutu2/060/shiryo/__icsFiles/afieldfile/2016/06/09/1371895_4.pdf
http://www.mext.go.jp/b_menu/shingi/gijyutu/gijyutu2/060/shiryo/__icsFiles/afieldfile/2016/06/09/1371895_5.pdf
http://www.mext.go.jp/b_menu/shingi/gijyutu/gijyutu2/060/shiryo/__icsFiles/afieldfile/2016/06/09/1371895_6.pdf
http://www.mext.go.jp/b_menu/shingi/gijyutu/gijyutu2/060/shiryo/__icsFiles/afieldfile/2016/06/09/1371895_7.pdf
2017:
H1 - SS-520-4 - TRICOM-1 (3U CubeSat)

Offline Fuji

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Re: SS-520-4 nanosat launcher based on sounding rocket
« Reply #2 on: 11/25/2016 02:17 PM »
SS-520-4 and TRICOM-1 media event was held on Nov.22.
Photo by Koumei Shibata.
http://www.sacj.org/openbbs/

Another article.
http://news.mynavi.jp/articles/2016/11/24/ss520/ (Japanese)


Japan’s space agency is building a tiny rocket to launch its tiny satellite into orbit
http://www.scmp.com/news/world/article/2048610/japans-space-agency-building-tiny-rocket-launch-its-tiny-satellite-orbit

Offline TrevorMonty

Re: SS-520-4 nanosat launcher based on sounding rocket
« Reply #3 on: 11/25/2016 03:42 PM »
The question is how much does LV cost?. $250k is going list price for 3U launch on likes of Rocket labs electron.

If they can do it for <$500k, there would be a market for it.
« Last Edit: 11/25/2016 03:44 PM by TrevorMonty »

Offline Skyrocket

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Re: SS-520-4 nanosat launcher based on sounding rocket
« Reply #4 on: 11/25/2016 03:44 PM »
The question is how much does LV cost?. $250k is going list price for 3U launch on

As it is a one-off demonstration mission with no follow-on flights planned, the launch price is not really relevant.

Offline russianhalo117

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Re: SS-520-4 nanosat launcher based on sounding rocket
« Reply #5 on: 11/25/2016 07:07 PM »
The question is how much does LV cost?. $250k is going list price for 3U launch on

As it is a one-off demonstration mission with no follow-on flights planned, the launch price is not really relevant.
yes, Data gathered will be factored into a future NSLV which has not yet been announced.

Offline IanO

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Re: SS-520-4 nanosat launcher based on sounding rocket
« Reply #6 on: 11/25/2016 09:21 PM »
If I'm reading that diagram correctly, then at 9.54 m length x 0.52 m diameter this would be the smallest orbital launch vehicle ever designed!  It sounds similar in concept to the mothballed Indonesian RPS-420, though that intended to launch up to 50 kg by using side boosters.
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Offline russianhalo117

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Re: SS-520-4 nanosat launcher based on sounding rocket
« Reply #7 on: 11/25/2016 10:16 PM »
If I'm reading that diagram correctly, then at 9.54 m length x 0.52 m diameter this would be the smallest orbital launch vehicle ever designed!  It sounds similar in concept to the mothballed Indonesian RPS-420, though that intended to launch up to 50 kg by using side boosters.
well it is a modified sounding rocket after all.

Offline William Graham

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Re: SS-520-4 nanosat launcher based on sounding rocket
« Reply #8 on: 11/25/2016 11:38 PM »
If I'm reading that diagram correctly, then at 9.54 m length x 0.52 m diameter this would be the smallest orbital launch vehicle ever designed!  It sounds similar in concept to the mothballed Indonesian RPS-420, though that intended to launch up to 50 kg by using side boosters.
well it is a modified sounding rocket after all.

Pilot was significantly shorter but slightly wider. Six were launched, plus four suborbital tests, all failed.

Offline Skyrocket

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Re: SS-520-4 nanosat launcher based on sounding rocket
« Reply #9 on: 11/25/2016 11:55 PM »
The Japanese L-4S was also more or less based on sounding rocket technology, although it had a higher payload than SS-520-4.

Offline starbase

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Re: SS-520-4 nanosat launcher based on sounding rocket
« Reply #10 on: 11/29/2016 11:22 AM »
Here is a comparison of the SS-520 to an SSB (Castor 4AXL) from the H-IIA

Source: https://twitter.com/ansur_nied/status/803217841809829889

Offline Rik ISS-fan

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Re: SS-520-4 nanosat launcher based on sounding rocket
« Reply #11 on: 11/29/2016 06:42 PM »
How does SS-520-4 compare to SM-3 block2A?
I wouldn't be surprised if Orbital ATK also develops a launcher like this when it proves to be in demand. (Using ASAS boosters (GEM-22/ Oriole is one of them as is the SM-3 Block 1 third stage.
I think launch cost of up to $1mln are acceptable if a Cubesat or Nano Satellite has to be launched at a specific time or to an odd orbit.

Offline yoichi

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Re: SS-520-4 / TRICOM-1 / January 10 , 2017 (22:20 UTC)
« Reply #12 on: 12/08/2016 05:00 AM »
http://www.jaxa.jp/press/2016/12/20161208_ss-520-4_j.html

Launch date      : January 11, 2017 (JST)
Launch time      : 7:20 a.m. through 8:50 a.m. (JST)
Launch window : January 11, 2017 through January 31, 2017
Launch site       : Uchinoura Space Center

Offline Galactic Penguin SST

At just 2.6 tonnes, is this the lightest ever land based satellite launcher to reach the launch pad?
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Offline Skyrocket

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Yes.

L-4S, the smallest land based orbital launched vehicle so far was 9.4 tons.

Offline jcm

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What the documents give us about SS-520-4:

Loaded masses 1587 kg stage 1, 325 kg stage 2, 78 kg stage 3,

Not given: size and empty mass of stage 3 in orbit. Thrust of each stage.
Would be great if anyone with JAXA contacts could find these out.
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Offline savuporo

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The question is how much does LV cost?. $250k is going list price for 3U launch on

As it is a one-off demonstration mission with no follow-on flights planned, the launch price is not really relevant.

Here is an old, 2009 slide deck that talks about commercialization strategy. Not sure how relevant anymore.

Orion - the first and only manned not-too-deep-space craft

Offline russianhalo117

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The question is how much does LV cost?. $250k is going list price for 3U launch on

As it is a one-off demonstration mission with no follow-on flights planned, the launch price is not really relevant.

Here is an old, 2009 slide deck that talks about commercialization strategy. Not sure how relevant anymore.


newer version from 2010:
http://mstl.atl.calpoly.edu/~workshop/archive/2010/Summer/04%20-%20Charania%20-%20Nanolauncher.pdf
SpaceWorks Japan subsidiary NanoLauncher LLC of website listed in presentation (http://www.nanolauncher.com/) has since merged with SpaceWorks US rocket subsidiary Generation Orbit.

Per IHI, ISAS, and the presentation both the B0 Boost Motor and the B3 Motor (To be used on SS-520-4) have been fully developed and ground tested in conditions mimicking actual flight. The development and ground testing status of the B4 motor is unknown. Apparently as of the beginning of last year IHI and ISAS are continuing the NS/NL-520 programme for now even though the original company behind it has merged with its US parent company's US subsidiary.

This is the follow on Joint venture: http://www.sei.aero/eng/papers/uploads/archive/SSC11-II-5.pdf
« Last Edit: 12/20/2016 05:13 PM by russianhalo117 »

Offline ZachS09

As of right now, there are two or three launch pads at the Uchinoura Space Center. Which one will SS-520-4 take off from?

KAPPA/LAMBDA PAD (31.2523 N, 131.0785 E)
MU/M-V/EPSILON PAD (31.251 N, 131.082 E)
TEMPORARY PAD (31.2527 N, 131.0754 E)

Use Google Maps or Google Earth to search for these pad coordinates.
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Offline russianhalo117

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As of right now, there are two or three launch pads at the Uchinoura Space Center. Which one will SS-520-4 take off from?

KAPPA/LAMBDA PAD (31.2523 N, 131.0785 E)
MU/M-V/EPSILON PAD (31.251 N, 131.082 E)
TEMPORARY PAD (31.2527 N, 131.0754 E)

Use Google Maps or Google Earth to search for these pad coordinates.
Fixed rail launcher from the Kappa complex according to Skyrockets page and others.
« Last Edit: 01/09/2017 04:12 AM by russianhalo117 »