NOAA-15

NOAA-15 (designated NOAA-K before launch) is one of the NASA-provided TIROS series of weather forecasting satellite run by NOAA. It was launched on May 13, 1998, and is currently operational, in a sun-synchronous orbit, 807 km above the Earth, orbiting every 101 minutes. It hosts the AMSU-A and AMSU-B instruments, the AVHRR and High Resolution Infrared Radiation Sounder (HIRS/3) instruments, as well as a Space Environment Monitor (SEM/2).

Instruments:
AMSU-A (Advanced Microwave Sounding Unit - A)
AMSU-B (Advanced Microwave Sounding Unit - B)
AVHRR/3 (Advanced Very High Resolution Radiometer/3)
HIRS/3 (High Resolution Infra Red Sounder/3)
S&RSAT (Search & Rescue Satellite-Aided Tracking System)
DCS/s (Data Collection System/2)
SEM/MEPED (SEM/Medium energy proton detector)
SEM/TED (SEM/Total Energy Detector)

Sun synchronous
101 minutes
Meteorology, agriculture and forestry, environmental monitoring, climatology, physical oceanography, volcanic eruption monitoring, ice and snow cover, total ozone studies, space environment, solar flux analysis, search and rescue
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