SOVIET SPACE PROGRAM
Kosmos-3M | Tselina-O 21
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Nov 27, 1973 at 00:08 UTC
▸ Flight profile›
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MISSION OVERVIEW
The Tselina-O (11F616) was one component of two-satellite Tselina ELINT satellite system. Tselina-O provided general ELINT surveillance to be examined in detail by the larger Tselina-D satellites.
LAUNCH DETAILS
VEHICLE
Kosmos-3MAGENCY
Soviet Space ProgramMISSION
Tselina-O 21
MISSION TYPE
Government/Top Secret
TARGET ORBIT
Low Earth Orbit
LAUNCH PAD
132/2LAUNCH SITE
Plesetsk Cosmodrome, Russian FederationCOUNTRY
RUS
LAUNCH TIME VERIFICATION
CONFIRMEDPrecision: Minute
LAUNCH LIBRARY 2 PRIMARY
API ID: 5d124b39-62f0-4320-b9bb-bd3b043a152e
Reported date: Nov 27, 1973 at 00:08 UTC
Last synced: 3 minutes 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-3M →
MANUFACTURER
Russian Space Forces
VARIANT
-3M
FLIGHTS
445
SUCCESSES
423
SUCCESS RATE
95.1%
N/A
FREQUENTLY ASKED QUESTIONS
When is the Kosmos-3M | Tselina-O 21 launch?
The Kosmos-3M | Tselina-O 21 is scheduled for Tuesday, November 27, 1973 at 12:08 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 Tselina-O 21?
The Kosmos-3M | Tselina-O 21 mission uses the Kosmos-3M rocket, manufactured by Russian Space Forces. The Kosmos-3M has flown 445 times with a 95.1% success rate.
Where is the Kosmos-3M | Tselina-O 21 launching from?
The launch takes place from 132/2 at Plesetsk Cosmodrome, Russian Federation.
What orbit is Tselina-O 21 going to?
The Tselina-O 21 mission is targeting Low Earth Orbit.
Who is launching Tselina-O 21?
The Kosmos-3M | Tselina-O 21 is operated by Soviet Space Program.
Can I watch the Kosmos-3M | Tselina-O 21 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 21:45 UTC
Launch added to tracker
Imported from Launch Library 2 API
Mar 28, 2026 21:45 UTC
Launch date set: Nov 27, 1973 at 00:08 UTC
NET (No Earlier Than) confirmed by Soviet Space Program
Mar 28, 2026 21:45 UTC
Launch completed successfully
Updated via Launch Library 2
LIVE DATA SOURCES
Last data sync: 3 minutes ago
●Launch Library 23 minutes ago
Launch ID: 5d124b39-62f0-4320-b9bb-bd3b043a152e
●Open-Meteo Weather3 days ago
Pad weather at 62.88, 40.87
BROWSE BY
Mission Profile
Tselina-O 21 was a Kosmos-3M mission operated by Soviet Space Program that lifted off from 132/2, Plesetsk Cosmodrome, Russian Federation on November 27, 1973. The flight carried its payload on a government/top secret mission to Low Earth Orbit. The launch was a success.