Proton-K
Proton-K was the three-stage production variant of Proton, often flown with a Block D or later upper stage. It launched Soviet and Russian planetary spacecraft, Salyut and Mir elements, and the first Russian-built International Space Station modules before retirement after its 310th launch.
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Identity
- Aliases
- Proton K8K82K
- Family Name
- Proton
- Full Name
- Proton-K
- Status
- retired
- Type
- rocket
- Variant Name
- K
Details
- Description
- Proton-K was the three-stage production variant of Proton, often flown with a Block D or later upper stage. It launched Soviet and Russian planetary spacecraft, Salyut and Mir elements, and the first Russian-built International Space Station modules before retirement after its 310th launch.
- First Flight Year
- 1,967
- Last Flight Year
- 2,012
- Parent Vehicle Family
- Propulsion Configurations
- Entries
- Nested value
- Nested value
- Nested value
- Nested value
- Name
- Proton-K RD-253-era configuration
- Notes
- Proton-PM identifies RD-253 as the original serial Proton first-stage engine; the exact RD-0210/RD-0211 and RD-0212 upper-stage identities are preserved.
- Entries
- Nested value
- Nested value
- Nested value
- Nested value
- Name
- Proton-K RD-275-era configuration
- Notes
- Proton-PM identifies RD-275 as the uprated RD-253 modification used on later Proton launches; exact era and mission assignments remain separate precision work.
- Rocket Specs
- Liftoff Mass Kg
- 700,000
- Reusability
- expendable
- Stages Count
- 3
Links
- Official Url
- https://sma.nasa.gov/LaunchVehicle/proton.html
- Wikipedia Url
- https://en.wikipedia.org/wiki/Proton-K
Assets & Meta
- Creation Time
- July 13, 2026 at 07:40:14 UTC
- Updated Time
- August 14, 2026 at 08:28:48 UTC
- Image
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Other
- Search Name
- Proton-K Proton K 8K82K