Compare rockets
Pick up to 4 vehicles to compare specs and flight records side by side. Browse all →
| Specification | Mu-4S Institute of Space and Astronautical Science × remove | Kosmos 11K63 Strategic Rocket Forces × remove | Electron Rocket Lab × remove | Soyuz U Russian Federal Space Agency (ROSCOSMOS) × remove |
|---|---|---|---|---|
| Flights | 4 | 126 | 91 | 714 |
| Success rate | 75% | 93.7% | 95.6% | 97.2% |
| Thrust | 1,932 kN | — | 162 kN | — |
| Height | 23.6 m | 31 m | 18 m | 51.1 m |
| Diameter | 1.41 m | 1.6 m | 1.2 m | 2.95 m |
| Launch mass | 43 t | 48 t | 13 t | 313 t |
| LEO capacity | 180 kg | 300 kg | 300 kg | 6,900 kg |
| GTO capacity | — | — | — | — |
| Launch cost | — | — | $6M | — |
| Reusable | No | No | No | No |
| Stages | 5 | 2 | 3 | 3 |