BackForward Satellite: SMS-2 

Satellite details
Acronym SMS-2
Full name Synchronous Meteorological Satellite - 2
WIGOS Station Identifier ---
Satellite Description
  • 2nd (last) flight unit of the SMS programme.
  • Main mission: operational meteorology.
  • Substantial contribution to Space weather.
Mass at launch 627 kg Dry mass 293 kg
Data access link no link provided
Data access information
  • Data available in real-time to NOAA and re-distributed in near-real-time.
Orbit Geostationary orbit Altitude 35786 km
Longitude 135° W


Space agency NASANOAA
Status Inactive
Details on Status
(as available)
  • 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.
Launch 06 Feb 1975 EOL 05 Aug 1982
Last update: 2015-07-29
Associated satellite programme and related satellites

Note: red tag: no longer operational , green tag: operational , blue tag : future

Satellite Payload

All known Instruments flying on SMS-2

Acronym Full name
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 °
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