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Forum:	ESA - JAXA - China - International
Topic:	JAXA's SS-520 orbital-class sounding rocket

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Your Reply: HTML is ON UBB Code is ON Smilies Legend	[QUOTE]Originally posted by Robert Pearlman: [B]After stating last year that it had no plans to attempt such a launch again, JAXA on Saturday (Feb. 3) succeeded on placing a small cubesat into orbit atop the SS-520 rocket, setting a record for the world's smallest satellite launcher. Per [URL=https://spaceflightnow.com/2018/02/02/ss-520-5-tricom-1r-test-launch/]Spaceflight Now[/URL]: <BLOCKQUOTE>[i]The SS-520-5 rocket lifted off at 0503 GMT (12:03 a.m. EST; 2:03 p.m. Japan Standard Time), the opening of a 10-minute window. It released a small satellite into orbit seven-and-a-half minutes later, according to the Japan Aerospace Exploration Agency, which declared the launch a success... Standing just 31 feet (9.5 meters) tall and spanning around 20 inches (52 centimeters) in diameter, the SS-520-5 rocket was modest by launcher standards. With Saturday's successful flight, the solid-fueled booster became the smallest rocket to ever put an object in orbit around Earth. A student-built shoebox-sized CubeSat named TRICOM 1R — weighing in at about 10 pounds (3 kilograms) — was mounted on top of the SS-520-5 rocket for liftoff from the Uchinoura Space Center in Japan's Kagoshima prefecture.[/i]</BLOCKQUOTE> <center><iframe width="400" height="225" src="https://www.youtube.com/embed/TbUhlxYD02Y?rel=0&showinfo=0&start=761" frameborder="0" allow="autoplay; encrypted-media" allowfullscreen></iframe></center>[/B][/QUOTE]
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<table border=0 cellpadding=0 cellspacing=0 width="600"><TR><td bgcolor="#000000"><TABLE BORDER=0 cellpadding=4 border=0 cellspacing=1 WIDTH="100%"><TR bgcolor="#660000"><TD COLSPAN=2><CENTER><FONT SIZE="2" COLOR="#ffffff" FACE="sans-serif">T O P I C     R E V I E W</font></CENTER></TD></TR><TR bgcolor="#494949"><TD valign=top><FONT SIZE="2" FACE="sans-serif">Robert Pearlman</FONT></TD><TD><FONT SIZE="2" FACE="sans-serif">The Japan Aerospace Exploration Agency's (JAXA) first and only attempt at launching the world's lightest and smallest orbital-class rocket ended on Saturday (Jan. 14) with in its payload falling into the sea, <A HREF="http://www.japantimes.co.jp/news/2017/01/15/national/science-health/japan-launches-worlds-smallest-satellite-carrying-rocket/#.WHuLepIwbh1" TARGET=_blank>The Japan Times reports</A>. <BLOCKQUOTE><I>JAXA terminated a satellite launch in mid-flight Sunday after a communications malfunction forced the space agency to abort ignition of the host rocket's second stage.<P>The No. 4 vehicle of the SS-520 rocket series lifted off at 8:33 a.m. from Uchinoura Space Center in Kagoshima Prefecture carrying a miniature Earth observation satellite, the Japan Aerospace Exploration Agency said. The rocket was touted as the smallest one capable of launching a satellite.<P>But the agency aborted ignition of the second stage three minutes into the launch after discovering a glitch in the communications system. The rocket and its tiny payload then tumbled into the sea.<P>"It's very regrettable. We'd like to determine the cause" of the failure, said Hiroto Habu, an associate professor at JAXA, said later in the day.<P>The space agency said the rocket stopped sending signals to its operations center just 20 seconds after liftoff. It has no further plans to launch a rocket of this size, it said.</I></BLOCKQUOTE> The solid fuel SS-520-4 stood 31 feet tall (9.5 meters), 1.7 feet (0.52 m) in diameter and weighed 2.9 tons (2.6 metric tons). Its payload, the cubesat TRICOM-1, weighed about 6.6 lbs. (3 kilograms) and measured just 4.7 inches (12 centimeters) in length and width and 13.8 inches (35 cm) in height. TRICOM-1 was designed by students to photograph the Earth and run communications experiments.<P><center><iframe width="400" height="225" src="https://www.youtube.com/embed/-BqtsG8uynY?rel=0" frameborder="0" allowfullscreen>

Robert Pearlman

After stating last year that it had no plans to attempt such a launch again, JAXA on Saturday (Feb. 3) succeeded on placing a small cubesat into orbit atop the SS-520 rocket, setting a record for the world's smallest satellite launcher.

Per Spaceflight Now:

The SS-520-5 rocket lifted off at 0503 GMT (12:03 a.m. EST; 2:03 p.m. Japan Standard Time), the opening of a 10-minute window. It released a small satellite into orbit seven-and-a-half minutes later, according to the Japan Aerospace Exploration Agency, which declared the launch a success...
Standing just 31 feet (9.5 meters) tall and spanning around 20 inches (52 centimeters) in diameter, the SS-520-5 rocket was modest by launcher standards. With Saturday's successful flight, the solid-fueled booster became the smallest rocket to ever put an object in orbit around Earth.
A student-built shoebox-sized CubeSat named TRICOM 1R — weighing in at about 10 pounds (3 kilograms) — was mounted on top of the SS-520-5 rocket for liftoff from the Uchinoura Space Center in Japan's Kagoshima prefecture.

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