|Mission duration||12 years (planned)|
|Launch mass||3,410 kilograms (7,520 lb)|
|Start of mission|
|Launch date||September 24, 1995, 00:06UTC|
|Launch site||Kourou ELA-2|
|End of mission|
|Last contact||September 19, 2003|
Telstar 4 (also called Telstar 402R and Telstar 403) was a communications satellite owned by AT&T Corporation.
Telstar 4 was successfully launched into space on September 24, 1995, by means of an Ariane-42L vehicle from the Kourou Space Center, French Guiana. It had a launch mass of 3,410 kg.
Telstar 4 stopped operating on September 19, 2003, after a short circuit in the primary power bus.