Proton-K/D-2
Proton / UR-500 familyKhrunichev State Research and Production Space CenterRetired
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.

Specifications
- Thrust
- 8,847 kN
- Height
- 57 m
- Diameter
- 4.15 m
- Launch mass
- 710 t
- Stages
- 4
- LEO capacity
- 6,220 kg
Specifications from Launch Library. Figures the operator has not published are omitted.
Flight record
3flightswith a definitive outcome
100%success rate3 of 3
3success streakcurrent
Counted from padside's own launch record, the same basis as the stats page.