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UR-100 ballistic missile family

The UR-100 missile developed at Vladimir Chelomei's design bureau in the town of Reutov near Moscow became the most numerous ICBM deployed in the Soviet Union during the Cold War. From the mid-1960s, several variations of the UR-100-based missiles were operationally deployed.

ur100

An original UR-100 missile lifts off from a surface pad in Tyuratam in 1965.

The mass production of the missile at Khrunichev enterprise in Moscow stopped around 1990, however the already deployed missiles remained in the armaments of the Russian Strategic Missile Forces well into the 21st century. The UR-100NU missile also became a base for Rockot and Strela launch vehicles, developed respectively by Khrunichev and NPO Mashinostroenia.

 

UR-100 family overview:

Name
Idustrial
Treaty
US
NATO
 Type
UR-100
8K84
RS-10
SS-11
Sego
 Silo-based ICBM for 15P084 complex
UR-100M
8K84M
RS-10
SS-11
Sego
 Project of sea-based ICBM for D-8 complex
UR-100UTTKh
8K84UTTKh (or 8K84M)
RS-10
SS-11 Mod 2
Sego
Silo-based ICBM for 15P084 complex
UR-100PRO
8K84
RS-10
SS-11
Sego
 1962-63 ABM Taran system
UR-100 mod.
15A10
RS-10
SS-11
Sego
 Project of silo-based ICBM
UR-100K
15A20 (8K84K)
RS-10 (RS-10M)
SS-11 Mod 3
Sego
 Silo-based ICBM for 15P020 complex
UR-100U
15A20U
RS-10 (RS-10M)
SS-11 Mod 4
Sego
 Silo-based ICBM for 15P020 complex
UR-100N
15A30
RS-18A
SS-19
Stiletto
 Silo-based ICBM for 15P030 complex
UR-100NUTTKh (UR-100NU)
15A35
RS-18B
SS-19 Mod 2
Stiletto
 Silo-based ICBM
UR-100NU Strela
15A35
RS-18B
SS-19 Mod 2
Stiletto
 Launch vehicle
UR-100NU Rockot
15A35
RS-18B
SS-19 Mod 2
Stiletto
 Launch vehicle
UR-100NU/SLA Prizyv
15A35
RS-18B
SS-19 Mod 2
Stiletto
 Project of emergency and rescue rocket

 

UR-100 family tech dossier:

-
UR-100
UR-100UTTKh
UR-100K
UR-100U
Number of stages
2
2
2
2
Industry name
8K84, 8K84M
15A20 (8K84M)
15A20 (8K84K)
15A20U
Length of the vehicle

16.45 - 16.925 meters
18.9 - 19.0 meters
18.95 meters
19.1 - 19.8 meters
Diameter
2.0 meters
2.0 meters
2.0 meters
2.0 meters
Weight (fueled)
39.4 - 42.3 tons
50.1 tons
50.1 tons
50.1 - 51.24 tons
Fuel
Oxidizer
N2O4
N2O4
N2O4
N2O4
First launch
1965
1969
1971
1971
Operational
1966
1970
1972
1974
Test sites

Flight range:
10,600 - 12,000 km
12,000 - 13,000 km
10,600 - 12,000
10,600 - 12,000 km
Warhead type:
Single 15F842 (760 - 1,500 kg)
900 - 1,200 kg
1,208 kg
Single or 3 MIRV
Stage 1
(8S816)
-
-
 -
Stage 1 length

12.5 meters
13.3 meters
13.4 meters
13.4 meters
Stage 1 diameter
2.0 meters
2.0 meters
2.0 meters
2.0 meters
1st stage propulsion
  • 3 one-chamber RD-0216
  • 1 one-chamber RD-0217
  • 3 one-chamber RD-0216
  • 1 one-chamber RD-0217
  • 3 one-chamber RD-0216
  • 1 one-chamber RD-0217
  • 3 one-chamber RD-0216
  • 1 one-chamber RD-0217
Stage 2
(8S817)
-
-
 -
Stage 2 length

2.9 meters
3.2 meters
3.8 meters
3.8 meters
Stage 2 diameter
2.0 meters
2.0 meters
2.0 meters
2.0 meters
2nd stage propulsion
  • 1 one-chamber 15D13 main engine
  • 1 four-chamber 15D14 steering engine
  • 1 one-chamber 15D13 main engine
  • 1 four-chamber 15D14 steering engine
  • 1 one-chamber 15D13 main engine
  • 1 four-chamber 15D14 steering engine
  • 1 one-chamber 15D13 main engine
  • 1 four-chamber 15D14 steering engine

 

UR-100 development team:

Element Developer Leading designer Location
Overall design
OKB-52/TsKBM
V. Chelomei
Reutov
Production
ZIKh, Polet
Ryzhikh
Moscow, Omsk
The propulsion system (two stages)
OKB-154 (KBKhA)
A. D. Konopatov
Voronezh

 

This page is maintained by Anatoly Zak

Last update: August 27, 2026

All rights reserved

 

The models of the UR-200 (left) and UR-100 missiles made to the same scale, give the idea about their relative size. Copyright © 2000 by Anatoly Zak

flight

The test launch of the UR-100 missile from a surface pad in Tyuratam. Credit: NPO Mash

The UR-100UTTKh missile. Credit: NPO Mash

The scale model of the UR-100 transporter and storage container. Copyright © 2000 by Anatoly Zak

The mockup of a silo facility for the UR-100 missile. Copyright © 2000 by Anatoly Zak