Compare rockets
Pick up to 4 vehicles to compare specs and flight records side by side. Browse all →
| Specification | Scout X-2 Vought × remove | Proton K/DM-2 Khrunichev State Research and Production Space Center × remove | Electron Rocket Lab × remove |
|---|---|---|---|
| Flights | 2 | 110 | 91 |
| Success rate | 50% | 93.6% | 95.6% |
| Thrust | 427 kN | — | 162 kN |
| Height | 25 m | — | 18 m |
| Diameter | 1.01 m | — | 1.2 m |
| Launch mass | 16 t | — | 13 t |
| LEO capacity | 76 kg | — | 300 kg |
| GTO capacity | — | — | — |
| Launch cost | $8.91M | — | $6M |
| Reusable | No | No | No |
| Stages | 4 | — | 3 |