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Telstar
Telstar -

Credit: Sven Grahn. 10,348 bytes. 176 x 188 pixels.



Class: Communications. Nation: USA. Agency: ATT. Manufacturer: ATT.

The first active-repeater communications satellite, Telstar demonstrated the feasibility of transmitting television images, telephone, telegraph and radio messages on a global basis. Launched by a Delta booster, Telstar first went into orbit on July 10, 1962. Telstar II was orbited on May 7, 1963. Both satellites were highly successful. NASA provided launch vehicles and tracking facilities on a reimbursable basis. Prime Contractor: American Telephone and Telegraph Company, management by Bell Telephone Laboratories.


Specification

Total Mass: 78 kg.


Telstar Chronology


10 July 1962 Telstar 1 Launch Site: Cape Canaveral . Launch Vehicle: Delta. Mass: 77 kg. Perigee: 945 km. Apogee: 5,643 km. Inclination: 44.8 deg.

First commercial comsat; active repeater. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C).


07 May 1963 Telstar 2 Launch Site: Cape Canaveral . Launch Vehicle: Delta B. Mass: 79 kg. Perigee: 972 km. Apogee: 10,802 km. Inclination: 42.7 deg.

Active repeater. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C).



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Last update 12 March 2001.
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© Mark Wade, 2001 .