Largest weather satellites by diameter

Largest weather satellites by diameter ranked by diameter.

Last updated . Source: Wikidata.

As of 2026-07-08, Himawari 3 tops the list with 3.45 m.

  1. #1 Himawari 3 — 3.45 m

    Japanese meteorological satellite launched in 1984

    source Wikidata
  2. #2 Himawari 1 — 2.20 m

    Japanese meteorological satellite launched in 1977

    source Wikidata
  3. #3 Himawari 2 — 2.15 m

    Japanese meteorological satellite launched in 1981

    source Wikidata
  4. #4 Himawari 5 — 2.15 m

    Japanese meteorological satellite launched in 1995

    source Wikidata
  5. #5 Himawari 4 — 2.15 m

    Japanese meteorological satellite launched in 1989

    source Wikidata
  6. #6 Applications Technology Satellite 3 — 1.52 m

    former NASA communications and weather satellite

    Applications Technology Satellite 3, or ATS-3, was a long-lived American experimental geostationary weather and communications satellite, operated by NASA from 1967 to 2001. It was at one time reputed to be the oldest satellite still in operation. As of 1995, NASA referred to the ATS-3 as "The oldest active communications satellite by a wide margin." Read more on Wikipedia.

    Wikidata
  7. #7 Applications Technology Satellite 1 — 1.42 m

    defunct NASA geostationary communications and weather satellite, launched in 1966

    ATS-1, also designated ATS-B or Advanced Tech. Sat. 1, was an experimental geostationary satellite, launched in 1966, and part of the Applications Technology Satellites Program. Though intended as a communications satellite rather than as a weather satellite, it carried the Spin Scan Cloud Camera developed by Verner E. Suomi and Robert Parent at the University of Wisconsin. Read more on Wikipedia.

    Wikidata
  8. #8 Applications Technology Satellite 2 — 1.42 m

    former NASA communications and weather satellite

    ATS-2 was a communications satellite launched by NASA on April 6, 1967, on an Atlas-Agena D rocket from Cape Canaveral. Read more on Wikipedia.

    Wikidata
  9. #9 TIROS-8 — 1.07 m

    former American weather satellite

    TIROS-8 was a spin-stabilized meteorological satellite. It was the eighth in a series of Television Infrared Observation Satellites. Read more on Wikipedia.

    Wikidata
  10. #10 TIROS-3 — 1.07 m

    former American weather satellite

    TIROS-3 was a spin-stabilized meteorological satellite. It was the third in a series of Television Infrared Observation Satellites. Read more on Wikipedia.

    Wikidata