Compare rockets
Pick up to 4 vehicles to compare specs and flight records side by side. Browse all →
| Specification | Scout X-2 Vought × remove | Space Shuttle National Aeronautics and Space Administration × remove | Kosmos 11K63 Strategic Rocket Forces × remove |
|---|---|---|---|
| Flights | 2 | 135 | 126 |
| Success rate | 50% | 98.5% | 93.7% |
| Thrust | 427 kN | 28,200 kN | — |
| Height | 25 m | 56.1 m | 31 m |
| Diameter | 1.01 m | 8 m | 1.6 m |
| Launch mass | 16 t | 2,030 t | 48 t |
| LEO capacity | 76 kg | 27,500 kg | 300 kg |
| GTO capacity | — | — | — |
| Launch cost | $8.91M | $450M | — |
| Reusable | No | Yes | No |
| Stages | 4 | 2 | 2 |