SES-4 explained

SES-4
Names List:NSS-14
Mission Type:Communications
Operator:SES New Skies / SES
Cospar Id:2012-007A
Satcat:38087
Website:https://www.ses.com/
Mission Duration:15 years (planned)
(elapsed)
Spacecraft:NSS-14
Spacecraft Bus:SSL-1300
Manufacturer:Space Systems/Loral
Power:20 kW[1]
Launch Date:14 February 2012, 19:36:37 UTC[2]
Launch Rocket:Proton-M / Briz-M
Launch Site:Baikonur, Site 200/39
Launch Contractor:Khrunichev State Research and Production Space Center
Entered Service:April 2012
Orbit Reference:Geocentric orbit[3]
Orbit Regime:Geostationary orbit
Orbit Longitude:22° West
Apsis:gee
Trans Band:124 transponders:
52 C-band
72 Ku-band
Trans Bandwidth:36 MHz
Trans Coverage:North America, South America, Europe, Middle East, West Africa
Programme:SES constellation
Previous Mission:SES-3
Next Mission:SES-5

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 . 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]

Notes and References

  1. Web site: Display: SES 4 2012-007A. NASA. 5 April 2021 . 12 April 2021.
  2. Web site: Launch Log. Jonathan's Space Report. 14 March 2021. 12 April 2021.
  3. Web site: SES 4. N2YO.com. 12 April 2021.
  4. Web site: SES 4. Gunter's Space Page. 11 December 2017. 12 April 2021.