Synchronous Meteorological Satellite

The Synchronous Meteorological Satellite (SMS) program, was a program where NASA developed two weather satellites; which were placed into geosynchronous orbit.

Illustration of a Synchronous Meteorological Satellite

History

SMS-1 was launched May 17, 1974 and SMS-2 was launched February 6, 1975.[1][2] Both satellites were carried to orbit by Delta 2914 rockets.[3] The program was initiated after the successes achieved by the Applications Technology Satellite (ATS) research satellites, which demonstrated the feasibility of using satellites in geosynchronous orbit for meteorology. The Geostationary Operational Environmental Satellite (GOES) program, which now supports weather forecasting, severe storm tracking, and meteorology research in the United States, followed immediately after the SMS program; the GOES 1 satellite was initially designated SMS-C.[4] SMS-1 and SMS-2; and GOES-1, GOES-2, and GOES-3; were essentially identical.[5]

List of SMS satellites
DesignationLaunch Date/Time (UTC)RocketLaunch SiteLongitudeFirst ImageStatusRetirementRemarks
LaunchOperational

SMS series satellites

SMS-ASMS-1May 17, 1974Delta 2914
SMS-BSMS-2February 6, 1975Delta 2914

SMS-derived satellites

SMS-C
GOES-A		GOES 1October 16, 1975, 22:40Delta 2914CCAFS LC-17AOctober 25, 1975RetiredMarch 7, 1985[6]
SMS-D
GOES-B		GOES 2June 16, 1977, 10:51Delta 2914CCAFS LC-17B60°WRetired1993[7]Reactivated as comsat in 1995,[7] finally deactivated in May 2001
SMS-E
GOES-C		GOES 3June 16, 1978, 10:49Delta 2914CCAFS LC-17BRetired1993[8]Reactivated as comsat in 1995,[8] still operational
gollark: The technology already kind of exists.
gollark: My very guessed predictions for the PC market's future in the next 10 years:- ARM will become more of a thing in laptops and perhaps servers, but x86 will continue to stick around a lot- Phones (with portable dock things with extra batteries, keyboards and bigger screens) will take over from laptops for a lot of people's casual uses.- HDDs will mostly cease to exist in the average person's devices and mostly be used in servers, some people's desktops for whatever reason, and NASes- CPU clock speeds/IPC will continue increasing slowly and we'll get moar coar and more GPU offloading to compensate- Persistent RAM stuff like Optane will get used a bit but remain mostly niche
gollark: yes.
gollark: Unlikely.
gollark: On ARM, only servers have UEFI or anything, everything else is a minefield of pure horror.

References
  1. "SMS 1 - NSSDC ID: 1974-033A". NASA NSSDC.
  2. "SMS 2 - NSSDC ID: 1975-011A". NASA NSSDC.
  3. Jonathan McDowell. "Launch Log".
  4. "GOES 1 - NSSDC ID: 1975-100A". NASA NSSDC.
  5. "SMS". NASA SMD.
  6. "GOES-1". ESE 40th Anniversary. NASA. 1999-05-12. Retrieved 2009-06-23.
  7. "GOES-2". ESE 40th Anniversary. NASA. 1999-04-22. Retrieved 2009-06-23.
  8. "GOES-3". ESE 40th Anniversary. NASA. 1999-04-22. Retrieved 2009-06-23.
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