Undaunted by a launch failure last month, JAXA has decided to try another flight of its new SS-520-4 micro-satellite booster later this year.
January’s rocket was a three-stage version of the existing two-stage SS-520, modified to carry a miniature satellite. Off-the-shelf consumer product technology was incorporated to keep costs down. The rocket blasted off successfully. But during the first stage of the launch sequence, transmission of such critical data as its temperature and position ceased. The agency aborted the second stage, letting the vehicle fall into the ocean.
After the failed launch, JAXA scrutinized data from minirocket’s communications equipment and other components, and conducted new vibration tests. It eliminated parts that could have been responsible for the failure and put in place measures to prevent a recurrence of the problems. It will report in detail on the findings of its inspections at a section meeting of the technology ministry starting Monday.
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