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Daqi 1 (DQ 1, AEMS 1)

Daqi 1 [SAST]

Daqi 1 (DQ 1) is Chinese atmospheric environment monitoring satellite.

Daqi-1 is equipped with five remote sensing instruments including atmospheric detection lidar, high-precision polarization scanner, multi-angle polarization imager, ultraviolet hyperspectral atmospheric composition detector and wide-field imaging spectrometer, which can greatly improve global carbon monitoring and atmospheric pollution monitoring ability. The satellite is similar to Gaofen 5 and is based on the SAST-5000B bus.

The instruments are:

  • ACDL (Aerosol and Carbon dioxide Detection Lidar)
  • DPC-II (Directional Polarimetric Camera)
  • EMI-II (Environmental Trace Gas Monitoring Instrument)
  • POSP (Particulate Observing Scanning Polarization)
  • WSI (Wide Spectral Imager)
Nation: China
Type / Application: Earth observation
Contractors: SAST
Configuration: SAST-5000B
Power: Deployable solar array, batteries
Lifetime: 8 years
Orbit: 680 km × 690 km, 98.1
Satellite COSPAR Date LS Launch Vehicle Remarks
Daqi 1 (DQ 1, AEMS 1) 2022-039A 15.04.2022 TY LC-9 CZ-4C


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