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SPATIUM 1 (Space Precision Atomic-clock TIming Utility Mission) is a 2U Cubesat developed jointly by Nanyang Technological University (NTU) in Singapore and Kyushu Institute of Technology (Kyutech) in Japan.

SPATIUM 1 is to demonstrate a new technique for ionosphere mapping using a constellation of CubeSats equipped with Chip Scale Atomic Clock (CSAC) to provide real-time three-dimensional mapping of ionosphere plasma density at the altitudes of electron density peak (200 to 400 km above the Earth). SPATIUM 1 will test the principle of the ionosphere mapping and total electron content (TEC) determination using satellite signal transmission with a dual-frequency and signal shift determination at the Ground Station using the same referenced CSAC clock.

The satellite was launched on board of HTV 7 on an H-2B-304 rocket to be delivered to the ISS, from where it was deployed via the JEM airlock.

Nation: Singapore, Japan
Type / Application: Ionospheric research, Technology
Operator: Nanyang Technological University (NTU), Kyushu Institute of Technology (Kyutech)
Contractors: Nanyang Technological University (NTU), Kyushu Institute of Technology (Kyutech)
Configuration: CubeSat (2U)
Power: Solar cells, batteries
Orbit: 400 km × 400 km, 51.6 (typical)
Satellite COSPAR Date LS Launch Vehicle Remarks
SPATIUM 1 1998-067PN ? 22.09.2018 Ta YLP-2 H-2B-304 with HTV 7, HSRC, STARS-Me, RSP 00


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