SES-4 is a communications satellite operated by SES World Skies (now SES).

Spacecraft

SES-4 was built by Space Systems/Loral (SSL), and is based on the SSL-1300 satellite bus. It is equipped with 52 C-band, and 72 Ku-band transponders, and at launch it had a mass of 6,180 kg (13,620 lb). It has a design life of fifteen years.[4]

Launch

It was launched on 14 February 2012, at 19:36:37 UTC on a Proton-M / Briz-M launch vehicle, the launch was arranged by International Launch Services (ILS), since Baikonour, Site 200/39.[4]

Mission

It is positioned at 22° West orbital location over Atlantic Ocean, replacing NSS-7.[4]

References

  1. ^ "Display: SES 4 2012-007A". NASA. 5 April 2021. Retrieved 12 April 2021. Public Domain This article incorporates text from this source, which is in the public domain.
  2. ^ "Launch Log". Jonathan's Space Report. 14 March 2021. Retrieved 12 April 2021.
  3. ^ "SES 4". N2YO.com. Retrieved 12 April 2021.
  4. ^ a b c "SES 4". Gunter's Space Page. 11 December 2017. Retrieved 12 April 2021.
Allikas: https://en.wikipedia.org/wiki/SES-4
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