| Manufacturer | TsSKB-Progress |
|---|---|
| Country of origin | Russia |
| General characteristics | |
| Diameter | 2.72 metres (8 ft 11 in) |
| Length | 2.59 metres (8 ft 6 in) |
| Gross mass | 3,210 kilograms (7,080 lb) |
| Empty mass | 2,310 kilograms (5,090 lb) |
| Engine details | |
| Engines | 1 17D61 (KB Melnikov) |
| Thrust | 2.943 kilonewtons (662 lbf) |
| Specific impulse | 308 sec |
| Burn time | 600 seconds |
| Fuel | N2O4/UDMH |
The Ikar was a rocket upper stage designed in Russia in 1999 to be used with the Soyuz 11A511U rocket as Soyuz-Ikar. It was derived from the propulsion module of the Yantar spy satellites.