Compare rockets
Pick up to 4 vehicles to compare specs and flight records side by side. Browse all →
| Specification | Scout A Vought × remove | Soyuz U Russian Federal Space Agency (ROSCOSMOS) × remove | Electron Rocket Lab × remove | Vostok 8A92M RKK Energiya × remove |
|---|---|---|---|---|
| Flights | 11 | 714 | 91 | 93 |
| Success rate | 100% | 97.2% | 95.6% | 98.9% |
| Thrust | 513 kN | — | 162 kN | 3,996 kN |
| Height | 25 m | 51.1 m | 18 m | 30.84 m |
| Diameter | 1.01 m | 2.95 m | 1.2 m | 2.99 m |
| Launch mass | 17 t | 313 t | 13 t | 282 t |
| LEO capacity | 122 kg | 6,900 kg | 300 kg | 3,800 kg |
| GTO capacity | — | — | — | — |
| Launch cost | $8.61M | — | $6M | — |
| Reusable | No | No | No | No |
| Stages | 4 | 3 | 3 | 2 |