Rocket file · LV-190
Kosmos-2I
Kosmos-2I is an expendable launch vehicle built by Strategic Rocket Forces. It stands 31.0 m tall, lifts 300 kg to low Earth orbit, first flew on 27 October 1961. It has flown 38 times with 26 successes, a success rate of 68.4%. It has nothing on the Launch Library 2 schedule right now.
Specification
Vehicle spec sheet
As listed by Launch Library 2. The cost is Launch Library’s figure, not a quoted price. Figures for rockets outside the sixty most-flown were last read on 2026-11-05.
Flight record
Reliability
About Kosmos-2I 63S1
Kosmos-2I is the designation applied to two Soviet carrier rockets which were used to orbit satellites between 1961 and 1977.
Upcoming flights
Manifest
Kosmos-2I 63S1 is retired, and no flight is filed.
All upcoming launchesKosmos-2I in the archive
From NASA's public image library and Wikimedia Commons. Each photo shows the credit its licence asks for and links back to where it came from.



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Common questions
- How many times has Kosmos-2I flown?
- 38 times, with 26 successes and 12 failures.
- What is Kosmos-2I's success rate?
- 68.4%. That's 26 successful flights out of 38 attempts.
- How much can Kosmos-2I lift to orbit?
- Launch Library 2 lists Kosmos-2I at 300 kg to low Earth orbit.
- Is Kosmos-2I reusable?
- No. Launch Library 2 lists Kosmos-2I as expendable, so no stage is recovered to fly again.
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