Skip to content

K

Rocket file · LV-190

Kosmos-2I

Strategic Rocket Forces · Kosmos · RETIRED

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

ON FILE
Height31.0 m
Diameter1.6 m
Payload to LEO300 kg
Payload to GTONOT ON FILE
Maiden flight27 October 1961
ReusableNo, expendable
Launch costNOT ON FILE
StatusRETIRED

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

ON RECORD
Total flights38
Successful26
Failed12
Success rate68.4%
Landing attempts0
Landing successN/A
Scheduled0

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

EMPTY

Kosmos-2I 63S1 is retired, and no flight is filed.

All upcoming launches

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.

Wirtschaftserfolge-Kosmos05
Wirtschaftserfolge-Kosmos05Paebi · CC BY-SA 3.0Wikimedia Commons ↗
Aurora borealis, Comet Pan-Starrs, meteor, Cosmos Rocket, Milky Way
Aurora borealis, Comet Pan-Starrs, meteor, Cosmos Rocket, Milky WayNASA Goddard Space Flight Center · CC BY 2.0Wikimedia Commons ↗
ISS031-E-13101 - View of Earth
ISS031-E-13101 - View of EarthEarth Science and Remote Sensing Unit , Lyndon B. Johnson Space Center · public domainWikimedia Commons ↗

Orbitburn is a gravity lander game with 25 ships. It's free on Android, and you can play it in your browser.Get it free on Google Play

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.