Soviet Space Program

Yantar-4KS1M 1

Soyuz U

SUCCESS
Success

Wednesday, July 10, 1991 · 14:00 UTC

Mission

/01

The Neman or Yantar-4KS1M satellites were improved versions of the Terilen elctro-optical reconnaissance satellites. They were transmitting the data via Potok (Geizer) relay satellites.

Mission Type

Government/Top Secret

Orbit

Low Earth Orbit (LEO)

Probability

N/A

Status

Launch Successful

Vehicle & Pad

/02

Rocket

Soyuz U

Launch Pad

31/6

Baikonur Cosmodrome, Republic of Kazakhstan

45.996° N, 63.564° E

307

Pad Launches

964

Location Launches

2431

Agency Launches

51

Orbital This Year

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