Compare rockets
Pick up to 4 vehicles to compare specs and flight records side by side. Browse all →
| Specification | Vega Avio S.p.A × remove | Proton K/DM-2 Khrunichev State Research and Production Space Center × remove | Soyuz U Russian Federal Space Agency (ROSCOSMOS) × remove |
|---|---|---|---|
| Flights | 22 | 110 | 714 |
| Success rate | 90.9% | 93.6% | 97.2% |
| Thrust | 2,974 kN | — | — |
| Height | 29.9 m | — | 51.1 m |
| Diameter | 3.025 m | — | 2.95 m |
| Launch mass | 137 t | — | 313 t |
| LEO capacity | 1,500 kg | — | 6,900 kg |
| GTO capacity | — | — | — |
| Launch cost | $37M | — | — |
| Reusable | No | No | No |
| Stages | 4 | — | 3 |