Compare rockets
Pick up to 4 vehicles to compare specs and flight records side by side. Browse all →
| Specification | Delta II 7925 United Launch Alliance × remove | Kosmos 11K63 Strategic Rocket Forces × remove | Electron Rocket Lab × remove |
|---|---|---|---|
| Flights | 36 | 126 | 91 |
| Success rate | 94.4% | 93.7% | 95.6% |
| Thrust | — | — | 162 kN |
| Height | 38.9 m | 31 m | 18 m |
| Diameter | 2.4 m | 1.6 m | 1.2 m |
| Launch mass | 232 t | 48 t | 13 t |
| LEO capacity | — | 300 kg | 300 kg |
| GTO capacity | 1,840 kg | — | — |
| Launch cost | $51M | — | $6M |
| Reusable | No | No | No |
| Stages | 3 | 2 | 3 |