Space · launch vehicle
Proton-K/D-1
KHSC
RETIRED
At a glance
Launches
12
Success rate
91.7%
11 ok · 1 failed
Payload to LEO
—
Payload to GTO
—
Status
RetiredFirst flight
16 Oct 1975Reusable
NoHeight
57 mDiameter
4.15 mLaunch mass
707 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