Proton / UR-500 family

Proton-K/Briz-M

RetiredRussia Khrunichev State Research and Production Space CenterSpec: Briz-M

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.

Flights flown4

Success rate75%3/4

Payload to LEO19,760kg

Maiden flight1999-07-05

Peak year20032 flights

Proton-K/Briz-M is built by Khrunichev State Research and Production Space Center of Russia. It first flew on 5 July 1999 and last flew on 10 December 2003.

Flight record

4 records

75% success rate3 of 4 flown · 1 failed

1999peak 2003 · 2 flights2003

First flight1999-07-05

Latest flight2003-12-10

Failures1

Consecutive successes3

Fastest turnaround186d 19h

Payload

Per mission profile

Low Earth orbit	19,760kg

Vehicle

Briz-M spec

Stages	4
Length	57m
Diameter	4.15m
Launch mass	710t
Liftoff thrust	8,847kN
Maiden flight	1999-07-05
Reusable	No

Pads used

2 pads

81/24 (81P)3 200/39 (200L)1

Orbits delivered

2 orbits

Geostationary Orbit3Medium Earth Orbit1

Launch history

4 launches

Date	Mission	Pad	Orbit	Outcome
2003-12-10	Proton-K/Briz-M \| Uragan 83, 84 & Uragan-M 2	81/24 (81P)	Medium Earth Orbit	Success
2003-06-06	Proton-K/Briz-M \| AMC 9	200/39 (200L)	Geostationary Orbit	Success
2000-06-06	Proton-K/Briz-M \| Gorizont 33	81/24 (81P)	Geostationary Orbit	Success
1999-07-05	Proton-K/Briz-M \| Raduga 34	81/24 (81P)	Geostationary Orbit	Failure

Specifications from Launch Library 2 by The Space Devs, launch records from Space Index. Derived figures are computed here; see sources and method.