Compare rockets
Pick up to 4 vehicles to compare specs and flight records side by side. Browse all →
| Specification | Scout X-1 National Aeronautics and Space Administration × remove | Proton K/DM-2 Khrunichev State Research and Production Space Center × remove |
|---|---|---|
| Flights | 6 | 110 |
| Success rate | 50% | 93.6% |
| Thrust | 471 kN | — |
| Height | 25 m | — |
| Diameter | 1.01 m | — |
| Launch mass | 16 t | — |
| LEO capacity | 59 kg | — |
| GTO capacity | — | — |
| Launch cost | $8.91M | — |
| Reusable | No | No |
| Stages | 4 | — |