Khrunishev / EUROCKOT Launch Service

Rockot-K Rockot-KM

Overall
Vehicle

Operational from 20.11.1990 16.05.2000

 

to 24.12.1999 26.12.2019
Orbital flights   4 31
Max. payload weight t     LEO 1.85
Gross liftoff weight t   111.30
Gross propellant weight t   100.00
Total length m ~25.50 29.10
Max. diameter (span) m 2.62 2.62
Total liftoff thrust (s.l.) kN 1,874 1,874
Total impulse (vac) MN*s   322.0

Fairing

Total length m   6.74
Diameter m 2.50 2.62
Total weight t   0.80

Stage 3

Name   Breeze-K Breeze-KM

 

Length m   2.60
Diameter m   2.48 - 2.60
Liftoff weight t   6.475
Propellant weight t   5.055
Engines   S5.98M S5.98M
Propellant   UDMH/N2O4 UDMH/N2O4
Total thrust (vac) kN 19.62 19.62
Specific impulse (vac) N*s/kg 3222 3222
Burn time s   830
Total impulse (vac) MN*s   16.3

Stage 2

Name      

 

Length m 3.90 3.90
Diameter m 2.50 2.50
Liftoff weight t 13.00 15.50
Propellant weight t 10.71 14.00
Engines (Chambers)   RD-0235 RD-0235
Propellant   UDMH/N2O4 UDMH/N2O4
Total thrust (vac) kN 240 (+15.8) 240 (+15.8)
Specific impulse (vac) N*s/kg 3138 3138
Burn time s 130 (139) 170 (183)
Total impulse (vac) MN*s 33.4 43.7
Stage 1

Name

     

 

Length m 15.86 15.86
Diameter m 2.50 2.50
Liftoff weight t 73.64 86.65
Propellant weight t 67.95 80.95
Engines 3+1 RD-0233/-0234 RD-0233/-0234
Propellant   UDMH/N2O4 UDMH/N2O4
Total thrust (s.l.) kN 1,874.5 1,874.5
Specific impulse (s.l.) N*s/kg 2952 2952
Burn time s 107 127
Total impulse (vac) MN*s 220.8 262.0