Compare rockets
Pick up to 4 vehicles to compare specs and flight records side by side. Browse all →
| Specification | Safir 1B Iranian Space Agency × remove | Space Shuttle National Aeronautics and Space Administration × remove | Proton K/DM-2 Khrunichev State Research and Production Space Center × remove |
|---|---|---|---|
| Flights | 3 | 135 | 110 |
| Success rate | 0% | 98.5% | 93.6% |
| Thrust | 255 kN | 28,200 kN | — |
| Height | 22 m | 56.1 m | — |
| Diameter | 1.25 m | 8 m | — |
| Launch mass | 26 t | 2,030 t | — |
| LEO capacity | 0 kg | 27,500 kg | — |
| GTO capacity | 0 kg | — | — |
| Launch cost | — | $450M | — |
| Reusable | No | Yes | No |
| Stages | 2 | 2 | — |