Super Low Altitude Test Satellite "TSUBAME" (SLATS) Topics

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Dec. 24, 2017 Updated
SHIKISAI and TSUBAME critical operation phase successfully completed! Initial function verification starts!

JAXA received telemetry data from SHIKISAI and TSUBAME, confirming that their satellite attitude control system had transitioned to the steady state. Current status of both satellites is stable.
Subsequently, the following procedure occurred - power generation that supports the satellites’ operation by the deployed solar array wings, ground communications and sound attitude control that maintains those operations. Combined by the completion of the series of other operations, such as powering up of the bus and mission equipment, the satellites have entered the state where they can be sustained in orbit. This concludes their critical operations phase.
SHIKISAI and TSUBAME will take about three months to verify the function of its onboard equipment and instruments in space.

SHIKISAI and TSUBAME critical operation phase successfully completed! Initial function verification starts!

Dec. 23, 2017 Updated
Successful Launch, H-IIA Launch Vehicle No. 37 Encapsulating SHIKISAI and TSUBAME

The H-IIA Launch Vehicle No. 37 with the Global Changing Observation Mission - Climate "SHIKISAI" (GCOM-C) and the Super Low Altitude Test Satellite "TSUBAME" (SLATS) onboard lifted off at 10:26:22 a.m. on December 23, 2017 (Japan Standard Time) from the Tanegashima Space Center.
The launch and flight of H-IIA F37 proceeded as planned. So did the separation of SHIKISAI and TSUBAME, which was confirmed respectively at approximately 16 minutes and 13 seconds and 1 hour and 47 minutes 59 seconds after liftoff.

Successful Launch, H-IIA Launch Vehicle No. 37 Encapsulating SHIKISAI and TSUBAME

Oct. 27, 2017 Updated
H-IIA F37 with SHIKISAI/TSUBAME onboard to be launched on December 23

The launch schedule of the H-IIA Launch Vehicle No. 37 (H-IIA F37) has been decided to be between 10:26:22 thru 10:48:22 a.m. on December 23 (Sat), 2017 (Japan Standard time). The launch will be performed by Mitsubishi Heavy Industries and JAXA.
H-IIA Launch vehicle No. 37 incorporates JAXA's newly developed outcome to insert SHIKISAI and TSUBAME into different orbit altitude respectively. It will expand opportunities of multiple satellite launch and take full advantage of the capability of H-IIA.

H-IIA F37 with SHIKISAI/TSUBAME onboard to be launched on December 23

Jul. 14, 2017 Updated
SLATS renamed TSUBAME

JAXA launched a month-long campaign to have the public suggest a new name of the SLATS, acronym for the Super Low Altitude Test Satellite. The SLATS renaming campaign, coupled with GCOM-C’s, was responded by 12,895 applications.
JAXA carefully examined them and chose TSUBAME, a Japanese word for swallow.
JAXA is grateful for the positive participation.
TSUBAME is a perfect nickname for the thin, elongated satellite in super low orbit with a set of solar array wings – what can describe it better than the small, familiar bird flying low?
Updates on the TSUBAME missions are available on this website. JAXA appreciates continuous support by all.

SLATS renamed TSUBAME

Jun. 2, 2017 Updated
SLATS Comes through Shock and Vibration Testing

SLATS, JAXA’s super low altitude test satellite has successfully completed shock (April 11, 2017) and vibration (April 25 through May 12, 2017) testing, a set of ground testing configured to simulate impact and vibration induced by launch and the following separation of the payload fairing. SLATS, like all other spacecraft, is exposed to extreme conditions to prove the integrity of its control systems.

Image: SLATS and the bottom of the adapter. As the payload fairing is jettisoned, the adapter is separated from the H-IIA launch vehicle. The upper adapter is positioned to contain SLATS, on which GCOM-C, Global Change Observation Mission – Climate, the primary satellite is mounted.

SLATS, scheduled to launch in Japanese fiscal 2017, is entering still other types of testing, thermal vacuum, electrical. The propulsion systems, too is to be examined and evaluated.

SLATS Comes through Shock and Vibration Testing

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