SOVIET SPACE PROGRAM
Kosmos-2I 63S1 | DS-P1-Yu 4
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Dec 21, 1965 at 06:14 UTC
▸ Flight profile›
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MISSION OVERVIEW
The DS-P1-Yu series of satellites was used to calibrate space surveillance and early warning radars.
LAUNCH DETAILS
VEHICLE
Kosmos-2I 63S1AGENCY
Soviet Space ProgramMISSION
DS-P1-Yu 4
MISSION TYPE
Test Target
TARGET ORBIT
Low Earth Orbit
LAUNCH PAD
86/1LAUNCH SITE
Kapustin Yar, Russian FederationCOUNTRY
RUS
LAUNCH TIME VERIFICATION
CONFIRMEDPrecision: Minute
LAUNCH LIBRARY 2 PRIMARY
API ID: 51ca1098-bd02-4fc2-b9d6-d156d4c748a8
Reported date: Dec 21, 1965 at 06:14 UTC
Last synced: 59 seconds ago
This launch date and time are confirmed by the launch provider. Countdown is active.
LAUNCH MAP
PAD WEATHER
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VEHICLE — Kosmos-2I 63S1 →
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.
FREQUENTLY ASKED QUESTIONS
When is the Kosmos-2I 63S1 | DS-P1-Yu 4 launch?
The Kosmos-2I 63S1 | DS-P1-Yu 4 is scheduled for Tuesday, December 21, 1965 at 6:14 AM UTC. This is the NET (No Earlier Than) time and may be subject to change. Current status: SUCCESS.
What rocket is being used for DS-P1-Yu 4?
The Kosmos-2I 63S1 | DS-P1-Yu 4 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-P1-Yu 4 launching from?
The launch takes place from 86/1 at Kapustin Yar, Russian Federation.
What orbit is DS-P1-Yu 4 going to?
The DS-P1-Yu 4 mission is targeting Low Earth Orbit.
Who is launching DS-P1-Yu 4?
The Kosmos-2I 63S1 | DS-P1-Yu 4 is operated by Soviet Space Program.
Can I watch the Kosmos-2I 63S1 | DS-P1-Yu 4 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.
LAUNCH TIMELINE
Mar 28, 2026 20:13 UTC
Launch added to tracker
Imported from Launch Library 2 API
Mar 28, 2026 20:13 UTC
Launch date set: Dec 21, 1965 at 06:14 UTC
NET (No Earlier Than) confirmed by Soviet Space Program
Mar 28, 2026 20:13 UTC
Launch completed successfully
Updated via Launch Library 2
LIVE DATA SOURCES
Last data sync: 59 seconds ago
●Launch Library 259 seconds ago
Launch ID: 51ca1098-bd02-4fc2-b9d6-d156d4c748a8
●Open-Meteo Weather1 day ago
Pad weather at 48.57, 46.29
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Mission Profile
DS-P1-Yu 4 was a Kosmos-2I 63S1 mission operated by Soviet Space Program that lifted off from 86/1, Kapustin Yar, Russian Federation on December 21, 1965. The flight carried its payload on a test target mission to Low Earth Orbit. The launch was a success.