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 | Kosmos-3M (11K65M) Russian Space Forces × remove | Vostok 8A92M RKK Energiya × remove |
|---|---|---|---|
| Flights | 2 | 445 | 93 |
| Success rate | 100% | 95.1% | 98.9% |
| Thrust | 7,203 kN | — | 3,996 kN |
| Height | 58.3 m | — | 30.84 m |
| Diameter | 3.81 m | — | 2.99 m |
| Launch mass | 590 t | — | 282 t |
| LEO capacity | 13,490 kg | — | 3,800 kg |
| GTO capacity | 6,475 kg | — | — |
| Launch cost | $135M | — | — |
| Reusable | No | No | No |
| Stages | 2 | — | 2 |