AMC-12 (satellite)

AMC-12 (formerly GE-1i) is an American geostationary communications satellite that was launched by a Proton-M / Briz-M launch vehicle at 02:27:32 UTC on 3 February 2005. The 4,979 kg (10,977 lb) satellite to provide voice and video services to the North America and South America, Europe, and Africa through separate beams to each region, after parking over the Atlantic Ocean through its 72 C-band transponders, over 37° West longitude.^[2][3]

AMC-12

Names	GE-1i AMC-12 (2005-present) WorldSat 2 Star One C12 (2005-present) NSS 10 (2009-2011)
Mission type	Communications
Operator	SES Americom (2005-2009) SES World Skies (2009-2011) SES S.A. (2011-present)
COSPAR ID	2005-003A
SATCAT no.	28526
Mission duration	16 years (planned) 20 years, 3 months, 6 days (elapsed)
Spacecraft properties
Spacecraft	GE-1i [1]
Spacecraft type	Spacebus 4000
Bus	Spacebus 4000C3
Manufacturer	Alcatel Space
Launch mass	4,979 kg (10,977 lb) [1]
Start of mission
Launch date	3 February 2005, 02:27:32 UTC
Rocket	Proton-M / Briz-M
Launch site	Baikonur Cosmodrome, Site 81/24
Contractor	Khrunichev State Research and Production Space Center
Entered service	April 2005
Orbital parameters
Reference system	Geocentric orbit
Regime	Geostationary orbit
Longitude	37° West
Transponders
Band	72 C-band
Coverage area	North America, South America, Europe, Africa
SES constellation ← AMC-11 AMC-14 →

Worldsat 2

In early 2004, AMC 12 was transferred to Worldsat LLC, a new subsidiary of SES Americom as Worldsat 2. In early 2005, few weeks before launch, it was renamed AMC 12 again.^[1][3]

Astra 4A

24 transponders on AMC 12 have been contracted by SES Astra which to market this capacity in Africa under the name Astra 4A.^[1][3]

Star One C12

18 transponders are operated by Star One as Star One C12 for Europe.^[1][3]

NSS 10

In March 2009, the satellite was transferred to SES New Skies and named NSS 10.^[1][3]

AMC-13

AMC-13 (formerly GE-2i) was cancelled.^[1]