Compare rockets
Pick up to 4 vehicles to compare specs and flight records side by side. Browse all →
| Specification | Delta II 6925 McDonnell Douglas × remove | Electron Rocket Lab × remove | Soyuz U Russian Federal Space Agency (ROSCOSMOS) × remove |
|---|---|---|---|
| Flights | 13 | 91 | 714 |
| Success rate | 100% | 95.6% | 97.2% |
| Thrust | 3,981 kN | 162 kN | — |
| Height | 38.1 m | 18 m | 51.1 m |
| Diameter | 2.44 m | 1.2 m | 2.95 m |
| Launch mass | 218 t | 13 t | 313 t |
| LEO capacity | 3,981 kg | 300 kg | 6,900 kg |
| GTO capacity | 1,446 kg | — | — |
| Launch cost | — | $6M | — |
| Reusable | No | No | No |
| Stages | 4 | 3 | 3 |