Rocket DB

Proton / UR-500 family

UR-500

RetiredRussiaKhrunichev State Research and Production Space Center

Proton is an expendable launch system used for both commercial and Russian government space launches. The first Proton rocket was launched in 1965.

Flights flown4
Success rate75%3/4
Payload to LEO8,400kg
Maiden flight1965-07-16
Peak year19652 flights

UR-500 is built by Khrunichev State Research and Production Space Center of Russia. It first flew on 16 July 1965 and last flew on 6 July 1966.

Flight record

4 records
75% success rate3 of 4 flown · 1 failed
1965peak 1965 · 2 flights1966
First flight1965-07-16
Latest flight1966-07-06
Failures1
Consecutive successes1
Fastest turnaround103d 22h

Payload

Per mission profile
Low Earth orbit8,400kg

Vehicle

Stages2
Length46.28m
Diameter4.15m
Launch mass595t
Liftoff thrust8,847kN
Maiden flight1965-07-16
ReusableNo

Pads used

1 pad
81/23 (81L)4

Orbits delivered

1 orbit
Low Earth Orbit4

Launch history

4 launches
DateMissionPadOrbitOutcome
1966-07-06UR-500 | Proton 381/23 (81L)Low Earth OrbitSuccess
1966-03-24UR-500 | Proton 3a81/23 (81L)Low Earth OrbitFailure
1965-11-02UR-500 | Proton 281/23 (81L)Low Earth OrbitSuccess
1965-07-16UR-500 | Proton 181/23 (81L)Low Earth OrbitSuccess

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

Further reading: Wikipedia