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Mission typeEarth observation
COSPAR ID2016-081A
SATCAT no.41898
Mission durationPlanned: 3 years[1]
Elapsed: 3 years, 11 months, 5 days
Spacecraft properties
Launch mass620 kg (1,370 lb)[1]
Dry mass610 kg (1,340 lb)[1]
Dimensions150 × 180 × 185 cm (59 × 71 × 73 in)[1]
Start of mission
Launch date21 December 2016, 19:22 (2016-12-21UTC19:22) UTC[2]
RocketLong March 2D[3]
Launch siteJiuquan LC43/603[3]
Orbital parameters
Reference systemGeocentric
RegimeLow Earth
Semi-major axis7,083 km (4,401 mi)
Perigee altitude688.9 km (428.1 mi)
Apogee altitude721.1 km (448.1 mi)
Period98.89 minutes
Epoch12 February 2017, 19:47:39 UTC[4]

TanSat, also known as CarbonSat, is a Chinese Earth observation satellite dedicated to monitoring carbon dioxide in Earth's atmosphere. It is generally classified as a minisatellite, and is the first dedicated carbon mission of the Chinese space program.[1] The mission was formally proposed in 2010, and work began in January 2011.[3] It is funded by the Ministry of Science and Technology (MOST) and was built by the Shanghai Institute of Microsystem And Information Technology (SIMIT).[3]

TanSat carries two instruments: the Carbon Dioxide Spectrometer and the Cloud and Aerosol Polarimetry Imager. The Carbon Dioxide Spectrometer (CDS), also called CarbonSpec, is a high-resolution grating spectrometer which measures CO
absorption at 1.61 μm and 2.06 μm, and O
absorption in reflected sunlight at 0.76 μm. The Cloud and Aerosol Polarimetry Imager (CAPI) is a wide-field, moderate-resolution, imaging spectrometer which works in concert with CDS by compensating for measurement errors caused by clouds and aerosols. It makes observations in ultraviolet (0.38 μm), visible (0.67 μm), and near infrared (0.87 μm, 1.375 μm, and 1.64 μm).[5]

See also


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