Compare rockets
Pick up to 4 vehicles to compare specs and flight records side by side. Browse all →
| Specification | Atlas V 521 United Launch Alliance × remove | Vostok 8A92M RKK Energiya × remove | Soyuz U Russian Federal Space Agency (ROSCOSMOS) × remove |
|---|---|---|---|
| Flights | 2 | 93 | 714 |
| Success rate | 100% | 98.9% | 97.2% |
| Thrust | 7,203 kN | 3,996 kN | — |
| Height | 58.3 m | 30.84 m | 51.1 m |
| Diameter | 3.81 m | 2.99 m | 2.95 m |
| Launch mass | 590 t | 282 t | 313 t |
| LEO capacity | 13,490 kg | 3,800 kg | 6,900 kg |
| GTO capacity | 6,475 kg | — | — |
| Launch cost | $135M | — | — |
| Reusable | No | No | No |
| Stages | 2 | 2 | 3 |