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Tsinghua 1 (Hangtian Qinghua 1)

Tsinghua 1 [SSTL]

Tsinghua-1 or Hangtian Qinghua 1 is the first demonstrator for the Disaster Monitoring Constellation and carries multi-spectral Earth imaging cameras providing 39-meter nadir ground resolution in 3 spectral bands.

The Disaster Monitoring Constellation, being led by Surrey for launch in early 2002, will comprise five microsatellites able to provide daily world-wide high resolution imaging for the monitoring and mitigation of natural and man-made disasters. The Chinese Tsinghua-1 satellite will also carry out research in low Earth orbit using digital store-and-forward communications, a digital signal processing (DSP) experiment, a Surrey-built GPS space receiver and a new 3-axis microsatellite attitude control experiment. Tsinghua-1 utilize three reaction wheels to provide full 3-axis agility on a microsatellite platform.

Ten engineers and scientists from Tsinghua University have spent 12 months during 1998-99 at the Surrey Space Center - working alongside SSTL engineers on the design, construction and test of the advanced microsatellite.

Nation: China
Type / Application: Technology, earth observation
Operator: Tsinghua University
Contractors: SSTL
Configuration: Microsat-70
Propulsion: None
Power: Solar cells, batteries
Mass: 49 kg
Orbit: 684 km × 708 km, 98.13
Satellite COSPAR Date LS Launch Vehicle Remarks
Tsinghua 1 (Hangtian Qinghua 1) 2000-033B 28.06.2000 Pl LC-132/1 Kosmos-3M with Nadezhda 6, SNAP 1


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