Cosmos 670

Launch Success

Liftoff Time (GMT)

00:02:00

Tuesday August 6, 1974

Mission Details

Launch Notes

Uncrewed test flight of the new Soyuz 7K-S version.

Cosmos 670

Wiki

Cosmos 670 was an uncrewed Soyuz 7K-S test. It used a new and unique inclination of 50.6 degree. The experience from these flights were used in the development of the successor program Soyuz spacecraft the Soyuz 7K-ST. This is Soyuz's 27th flight. The Soyuz is a Soviet crewed spaceship, developed to made manned lunar missions. This version called 7K will fly 4 times on the giant launcher N1, and several tens of times on Proton to fly over the Moon, which will be successful during the mission Zond 4. Soyuz will become the first spacecraft to transport living beings to the Moon during the flight of Zond 5, with two turtles. Subsequently, it is adapted to low orbit and will fly on the Soyuz launcher to serve the Salyut and Mir stations and the ISS.

Low Earth Orbit

1 Payload

6,700 kilograms

Rocket

Retired
Soyuz U

Active 1973 to 2017

RKK Energiya logo

Manufacturer

RKK Energiya

Price

$20.00 million

Rocket

Height: 51.32m

Payload to Orbit

LEO: 6,860 kg

GTO: 0 kg

Liftoff Thrust

4,456 Kilonewtons

Fairing

Diameter: 3m

Height: 15.59m

Stages

3

Strap-ons

4

Launch Site

Site 1/5

Baikonur Cosmodrome, Kazakhstan

Fastest Turnaround

23 hr 32 min

Stats

Soyuz U


8th

Mission

5th

Mission of 1974

RKK Energiya


861st

Mission

51st

Mission of 1974

1974


66th

Orbital launch attempt