Syncom 3.
Category. Statistic.
Launch vehicle. Delta D Rocket #25.
Launch date. August 19, 1964.
Launch site. N\A, Cape Canaveral.
Ceased operations. N\A, 1969.
Owner(s). NASA.
Major contractor(s)  Hughes Aircraft Company.
Is it still in orbit. Yes, as of 2012.
Launch mass. About ~68 kilograms (150 lb).
Nationality(s). American.
Satellite type. Communications.


The satellite, in orbit near the International Date Line, had the addition of a wideband channel for television and was used to telecast the 1964 Summer Olympics in Tokyo to the United States. Although Syncom 3 is sometimes credited with the first television program to cross the Pacific Ocean, the Relay 1 satellite first broadcast television from the United States to Japan on November 22, 1963.

Turned off in 1969, Syncom 3 remains in geosynchronous orbit as of December 2012. In 40 years it has drifted 8 degrees to the west, to longitude 172.

See alsoEdit

  1. Space Satellites