Compare rockets
Pick up to 4 vehicles to compare specs and flight records side by side. Browse all →
| Specification | Spectrum Isar Aerospace × remove | Soyuz U Russian Federal Space Agency (ROSCOSMOS) × remove | Molniya-M 2BL Russian Space Forces × remove | Electron Rocket Lab × remove |
|---|---|---|---|---|
| Flights | 1 | 714 | 272 | 91 |
| Success rate | 0% | 97.2% | 95.2% | 95.6% |
| Thrust | 675 kN | — | — | 162 kN |
| Height | 28 m | 51.1 m | — | 18 m |
| Diameter | 2 m | 2.95 m | — | 1.2 m |
| Launch mass | — | 313 t | — | 13 t |
| LEO capacity | 1,000 kg | 6,900 kg | — | 300 kg |
| GTO capacity | — | — | — | — |
| Launch cost | — | — | — | $6M |
| Reusable | No | No | No | No |
| Stages | 2 | 3 | — | 3 |