JAXA’s SDS-4: End of Critical Phase Completed

The Japan Aerospace Exploration Agency (JAXA) would like to announce that the Small Demonstration Satellite-4 (SDS-4) completed its critical phase operations and moved to the initial phase. The SDS-4 was launched by the H-IIA F21 at 1:39 a.m. on May 18, 2012 (Japan Standard Time) as a secondary payload with the Global Change Observation Satellite 1st – Water “SHIZUKU” (GCOM-1.)

The satellite is currently in good health.

The initial functional verification operations will continue for about one month.

For the satellite condition, please refer to the following website.
http://www.ard.jaxa.jp/research/jissyou/sds4/sds4-index.html

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