Synchronous Meteorological Satellite - 2
2nd (last) flight unit of the SMS programme.
Main mission: operational meteorology.
Substantial contribution to Space weather.
Mass at launch
Data access link
no link provided
Data access information
Data available in real-time to NOAA and re-distributed in near-real-time.
Details on Status
Initially placed at 115°W, it was moved to 135°W in 1976-1978; to 75°W in 1979-1981; to 106°W in 1982.
06 Feb 1975
05 Aug 1982
Associated satellite programme and related satellites
Note: red tag: no longer operational , green tag: operational ,
blue tag : future
All known Instruments flying on
SEM/MAG SEM / Magnetometer
VISSR Visible-Infrared Spin Scan Radiometer
SEM/EPS SEM / Energetic Particles Sensor
SEM/HEPAD SEM / High Energy Proton and Alpha Particles Detector
SEM/XRS-EUV SEM / X-Ray Sensor - Extreme Ultra-Violet Sensor
DCIS Data Collection and Interrogation Service
Show instrument status and calibration
Satellite Field of View
Estimate of the satellite's footprint, assuming a zenith angle of 75
You can drag the image around and zoom using the