Compare rockets
Pick up to 4 vehicles to compare specs and flight records side by side. Browse all →
| Specification | Simorgh Iranian Space Agency × remove | Space Shuttle National Aeronautics and Space Administration × remove | Soyuz U Russian Federal Space Agency (ROSCOSMOS) × remove | Vostok 8A92M RKK Energiya × remove |
|---|---|---|---|---|
| Flights | 7 | 135 | 714 | 93 |
| Success rate | 28.6% | 98.5% | 97.2% | 98.9% |
| Thrust | — | 28,200 kN | — | 3,996 kN |
| Height | — | 56.1 m | 51.1 m | 30.84 m |
| Diameter | — | 8 m | 2.95 m | 2.99 m |
| Launch mass | — | 2,030 t | 313 t | 282 t |
| LEO capacity | — | 27,500 kg | 6,900 kg | 3,800 kg |
| GTO capacity | — | — | — | — |
| Launch cost | — | $450M | — | — |
| Reusable | No | Yes | No | No |
| Stages | — | 2 | 3 | 2 |