NOAA 18

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Satellite characteristics

Launch Date - End 20 mei 2005 -

Status Operational

Orbit type Sun-synchronous circular

Altitude 850

Orbit inclination 98.7

Equatorial crossing time 02:00:00

Orbit period 102

Satellite family: POES (Polar Orbiting Environmental Satellites)

The POES satellite system offers the advantage of daily global coverage, by making nearly polar orbits roughly 14.1 times daily.

Data from the POES series supports a broad range of environmental monitoring applications including weather analysis and forecasting, climate research and prediction, global sea surface temperature measurements, atmospheric soundings of temperature and humidity, ocean dynamics research, volcanic eruption monitoring, forest fire detection, global vegetation analysis, search and rescue, and many other applications.

Sensor characteristics

Sensor name AMSU (Advanced Microwave Sounding Unit)
Sensor short description
Sensor type Atmospheric instrument
Resolution class Very Low (> 1 km)
Swath width (at nadir) 1690 km
Revisit frequency 1 dagen
Max look angle 50°
Sensor name AVHRR3 (Advanced Very High Resolution Radiometer 3)
Sensor short description
Sensor type Imaging radiometer (Vis/IR)
Resolution class Very Low (> 1 km)
Swath width (at nadir) 2900 km
Revisit frequency 1 dagen
Sensor name HIRS (High Resolution Infrared Radiation Sounder)
Sensor short description
Sensor type Imaging radiometer (Vis/IR)
Resolution class Very Low (> 1 km)
Sensor name MHS (Microwave Humidity Sounder)
Sensor short description
Sensor type Atmospheric instrument
Resolution class NA
Swath width (at nadir) 2000 km
Sensor name SBUV/TOMS (Solar Backscatter Ultraviolet/Total Ozone Mapping Spectrometer)
Sensor short description
Sensor type Atmospheric instrument
Resolution class Very Low (> 1 km)