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SOVIET SPACE PROGRAM

Kosmos-2I 63S1 | DS-K-40 2

FAILUREFeb 21, 1966 at 13:30 UTCKosmos-2I 63S1 →
PAD86/1
SITEKapustin Yar, Russian Federation →
ORBITLow Earth Orbit
TYPEGovernment/Top Secret

DS-K-40 was a series of experimental ELINT satellites developed by Yuzhnoye to test technologies for the Tselina-O program.

MISSION
DS-K-40 2
MISSION TYPE
Government/Top Secret
TARGET ORBIT
Low Earth Orbit
LAUNCH PAD
86/1
COUNTRY
RUS
CONFIRMEDPrecision: Minute
LAUNCH LIBRARY 2 PRIMARY
API ID: 48a83dec-120b-4a1c-b4fb-4b555fc1e5b9
Reported date: Feb 21, 1966 at 13:30 UTC
Last synced: 13 hours ago
This launch date and time are confirmed by the launch provider. Countdown is active.
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MANUFACTURER
Strategic Rocket Forces
FLIGHTS
38
SUCCESSES
26
SUCCESS RATE
68.4%

Kosmos-2I is the designation applied to two Soviet carrier rockets which were used to orbit satellites between 1961 and 1977.

When is the Kosmos-2I 63S1 | DS-K-40 2 launch?
The Kosmos-2I 63S1 | DS-K-40 2 is scheduled for Monday, February 21, 1966 at 1:30 PM UTC. This is the NET (No Earlier Than) time and may be subject to change. Current status: FAILURE.
What rocket is being used for DS-K-40 2?
The Kosmos-2I 63S1 | DS-K-40 2 mission uses the Kosmos-2I 63S1 rocket, manufactured by Strategic Rocket Forces. The Kosmos-2I 63S1 has flown 38 times with a 68.4% success rate.
Where is the Kosmos-2I 63S1 | DS-K-40 2 launching from?
The launch takes place from 86/1 at Kapustin Yar, Russian Federation.
What orbit is DS-K-40 2 going to?
The DS-K-40 2 mission is targeting Low Earth Orbit.
Who is launching DS-K-40 2?
The Kosmos-2I 63S1 | DS-K-40 2 is operated by Soviet Space Program.
Can I watch the Kosmos-2I 63S1 | DS-K-40 2 launch live?
Yes. Visit the launch detail page on Space Launch Live for embedded YouTube webcasts, replay videos, and links to live coverage from SpaceX, NASA, NASASpaceflight, and other channels.
Mar 28, 2026 20:51 UTC
Launch added to tracker
Imported from Launch Library 2 API
Mar 28, 2026 20:51 UTC
Launch date set: Feb 21, 1966 at 13:30 UTC
NET (No Earlier Than) confirmed by Soviet Space Program
Mar 28, 2026 20:51 UTC
Launch failure reported
Updated via Launch Library 2
Last data sync: 13 hours ago
Launch Library 213 hours ago
Launch ID: 48a83dec-120b-4a1c-b4fb-4b555fc1e5b9
Open-Meteo Weather13 hours ago
Pad weather at 48.57, 46.29