AMC-23
Names listGE-2i
Worldsat-3
AMC-13
GE-23
Eutelsat-172A
Eutelsat-174A
OperatorSES Americom (2005-2009)
SES World Skies (2009-2011)
SES S.A. (2011-2012)
Eutelsat (2012-present)
Cospar id2005-052A
Satcat28924
Mission duration16 years (planned)
(elapsed)
SpacecraftGE-23 [1]
Spacebus 4000GE-23 [1]
Spacecraft busSpacebus 4000C3
ManufacturerAlcatel Space
Launch mass4,981 kg (10,981 lb)
Launch date29 December 2005,
02:28:40 UTC
Launch rocketProton-M / Briz-M
Launch siteBaikonur Cosmodrome,
Site 81/24
Launch contractorKhrunichev State Research and Production Space Center
Entered serviceMars 2006
Orbit referenceGeocentric orbit
Orbit regimeGeostationary orbit
Orbit longitude186° West
Apsisgee
Trans band38 (+10) transponders:
18 (+4) C-band
20 (+6) Ku-band
Trans coverageAsia-Pacific, West Coast of the United States
ProgrammeSES constellation
Previous missionAMC-21

AMC-23 (formerly GE-23) is an American geostationary communications satellite that was launched by a Proton-M / Briz-M launch vehicle at 02:28:40 UTC on 29 December 2005. The 4,981 kg (10,981 lb) satellite to provide services to the Asia-Pacific, West Coast of the United States through separate beams to each region, after parking over the Pacific Ocean through its 18 (+4) C-band and 20 (+6) Ku-band transponders, over 186° West longitude.[2][3]

GE-2i/AMC-13/Worldsat-3/AMC-23

AMC-13 was originally ordered as GE-2i. In early 2004, AMC-13 was transferred to Worldsat LLC, a new subsidiary of SES Americom as Worldsat 3. The original AMC-13 was to feature 60 C-Band transponders, but when transferred to Worldsat, it was ordered to be changed to the hybrid C-/Ku-band payload with 18 C-band and 20 Ku-band transponders. In early 2005, it was renamed AMC-23.[1][3]

GE-23

In 2007, the satellite was spun-off from SES Americom to GE-Satellite, when General Electric split off from SES. After this transaction, the satellite was renamed GE-23.[1]

Eutelsat-172A

Eutelsat has announced in June 2012 the acquisition of GE-23 satellite from GE-Satellite. The satellite is renamed to Eutelsat 172A and expands Eutelsat coverage to Asia-Pacific region and West Coast of United States of America. The satellite had at that time an estimated lifespan of 8.5 years.[1][3]

Eutelsat-174A

In 2017, after Eutelsat 172B had replaced it, Eutelsat 172A was moved to 174° East and renamed Eutelsat 174A.[1][3]

References

  1. ^ "AMC 23 → GE 23 → Eutelsat 172A → Eutelsat 174A". Gunter's Space Page. 21 July 2019. Retrieved 6 April 2021.
  2. ^ "Display: AMC 23 2005-052A". NASA. 10 February 2021. Retrieved 6 April 2021.
  3. ^ "Home - Satellites". Satbeams. 6 April 2021. Retrieved 6 April 2021.