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SES 4, a telecommunications satellite, was launched from Baikonur on 14 February 2012 at 19:36 UT. The satellite weighed 6180 kg and was launched by a Proton-M rocket . It carries 52 C-band and 72 Ku-band transponders to serve the Americas, Europe, Africa and the Middle East. The satellite also has the capability of onboard channel switching between C- and Ku-band transponders. SES 4 will replace the aging NSS 7 spacecraft and will operate at 22 degrees west longitude. It is designed to provide 20 kilowatts of power to its payload at the end of a scheduled 15-year service life.

Alternate Names

    Facts in Brief

    Launch Date: 2012-02-14
    Launch Vehicle: Proton-M
    Launch Site: Tyuratam (Baikonur Cosmodrome), Kazakhstan
    Mass: 6180 kg

    Funding Agency

    • SES (International)


    • Communications

    Additional Information

    Questions and comments about this spacecraft can be directed to: Coordinated Request and User Support Office

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