Space · launch vehicle
Proton-K/Briz-M
KHSC
RETIRED
At a glance
Launches
4
Success rate
75%
3 ok · 1 failed
Payload to LEO
19,760 kg
Payload to GTO
—
Status
RetiredFirst flight
05 Jul 1999Reusable
NoHeight
57 mDiameter
4.15 mLaunch mass
710 tLiftoff thrust
8,847 kNStages
4Launch cost
—Booster landings
—Links
WikipediaAbout
The Proton-K was a Russian, previously Soviet, carrier rocket derived from the earlier Proton. It was built by Khrunichev, and launched from sites 81 and 200 at the Baikonur Cosmodrome in Kazakhstan.
Source The Space Devs — Launch Library 2
Last checked 29 Sept 2026