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Titan IIIE | Voyager 1

Lockheed Martin | United States of America
Cape Canaveral SFS, FL, USA
Sept. 5, 1977, 12:56 p.m.
Status: Launch Successful
Mission:

Voyager 1 is a space probe launched by NASA on September 5, 1977. Part of the Voyager program to study the outer Solar System, Voyager 1 launched 16 days after its twin, Voyager 2.

Solar Escape Trajectory
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Soyuz U | Zenit-4MKT 5

Russian Federal Space Agency (ROSCOSMOS) | Russia
Plesetsk Cosmodrome, Russian Federation
Sept. 2, 1977, 9 a.m.
Status: Launch Successful
Mission:

Film-return reconnaissance satellite

Low Earth Orbit
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Molniya-M | Molniya-1K 38

Russian Space Forces | Russia
Plesetsk Cosmodrome, Russian Federation
Aug. 30, 1977, 6:06 p.m.
Status: Launch Successful
Mission:

Military communications satellite in a highly elliptic orbit

Elliptical Orbit
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Soyuz U | Zenit-2M 80

Russian Federal Space Agency (ROSCOSMOS) | Russia
Plesetsk Cosmodrome, Russian Federation
Aug. 27, 1977, 10:09 a.m.
Status: Launch Successful
Mission:

The soviet Zenit-2M (Gektor, 11F690) was an improved version of the Zenit-2 area surveillance reconnaissance satellite. It was part of the Vostok-based Zenit-family.

Low Earth Orbit
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Delta 2313 | Sirio 1

McDonnell Douglas | United States of America
Cape Canaveral SFS, FL, USA
Aug. 25, 1977, 11:49 p.m.
Status: Launch Successful
Mission:

The SIRIO satellite is an experimental geostationary artificial telecommunications satellite, the first to be designed and built in Italy.

Geostationary Orbit
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Kosmos-3M | Strela-1M 129-136

Russian Space Forces | Russia
Plesetsk Cosmodrome, Russian Federation
Aug. 24, 1977, 6:20 p.m.
Status: Launch Successful
Mission:

Military communications satellites

Low Earth Orbit
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Soyuz U | Zenit-4MKM 4

Russian Federal Space Agency (ROSCOSMOS) | Russia
Plesetsk Cosmodrome, Russian Federation
Aug. 24, 1977, 2:29 p.m.
Status: Launch Successful
Mission:

High-resolution film-return Zenit reconnaissance satellite

Low Earth Orbit
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Tsiklon-2 | US-P 5

Yuzhnoye Design Bureau | Ukraine
Baikonur Cosmodrome, Republic of Kazakhstan
Aug. 24, 1977, 7:07 a.m.
Status: Launch Successful
Mission:

Ocean surveillance satellite using passive ELINT devices

Low Earth Orbit
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Titan IIIE | Voyager 2

Lockheed Martin | United States of America
Cape Canaveral SFS, FL, USA
Aug. 20, 1977, 2:29 p.m.
Status: Launch Successful
Mission:

Voyager 2 is a space probe launched by NASA on August 20, 1977, to study the outer planets. Part of the Voyager program, it was launched 16 days before its twin, Voyager 1, on a trajectory that took longer to reach Jupiter and Saturn but enabled further encounters with Uranus and Neptune. It is the only spacecraft to have visited either of the ice giants.

Solar Escape Trajectory
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Atlas SLV-3D Centaur | HEAO 1

Convair | United States of America
Cape Canaveral SFS, FL, USA
Aug. 12, 1977, 6:29 a.m.
Status: Launch Successful
Mission:

Observatory satellite dedicated to X-ray and gamma-ray studies

Low Earth Orbit
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