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 11K63 Strategic Rocket Forces × remove | Kosmos-3M (11K65M) Russian Space Forces × remove |
|---|---|---|---|
| Flights | 2 | 126 | 445 |
| Success rate | 100% | 93.7% | 95.1% |
| Thrust | 7,203 kN | — | — |
| Height | 58.3 m | 31 m | — |
| Diameter | 3.81 m | 1.6 m | — |
| Launch mass | 590 t | 48 t | — |
| LEO capacity | 13,490 kg | 300 kg | — |
| GTO capacity | 6,475 kg | — | — |
| Launch cost | $135M | — | — |
| Reusable | No | No | No |
| Stages | 2 | 2 | — |