ECHOSTAR 105/SES 11

Additional information ECHOSTAR 105/SES 11

SES-11 (ECHOSTAR 105) is a communication satellite, also known by its alternate name SES-11. Launched on October 11, 2017, from the Air Force Eastern Test Range Launch Complex 39A using a Falcon 9 launch vehicle, it has a configuration based on the Eurostar-3000 bus manufactured by ADSB. The satellite is owned and operated by SESSA (SES S.A.) and carries a payload that includes 24 Ku-band transponders and 24 C-band transponders for communication purposes.

With dimensions of 7 meters in length, 3.3 meters in diameter, and a span of 35 meters due to its solar arrays, SES-11 has a dry mass of 3000 kilograms and was launched with a total mass of 5300 kilograms. It is equipped with two deployable solar arrays for power generation along with batteries. The satellites design features a box shape with two panels and it uses R-4D-15 motors as propulsion systems. Its expected operational lifetime is 15 years, fulfilling its mission to provide communication services.

Average inclination ECHOSTAR 105/SES 11

Mean right ascension of the ascending node (RAAN) ECHOSTAR 105/SES 11

Mean argument of perigee ECHOSTAR 105/SES 11

Mean semi-major axis of the orbit ECHOSTAR 105/SES 11

Mean orbital eccentricity ECHOSTAR 105/SES 11