Compare rockets
Pick up to 4 vehicles to compare specs and flight records side by side. Browse all →
| Specification | Atlas IIAS Lockheed Martin × remove | Proton K/DM-2 Khrunichev State Research and Production Space Center × remove | Kosmos 11K63 Strategic Rocket Forces × remove |
|---|---|---|---|
| Flights | 30 | 110 | 126 |
| Success rate | 100% | 93.6% | 93.7% |
| Thrust | 4,391 kN | — | — |
| Height | 47.54 m | — | 31 m |
| Diameter | 3.04 m | — | 1.6 m |
| Launch mass | 204 t | — | 48 t |
| LEO capacity | 6,580 kg | — | 300 kg |
| GTO capacity | 2,810 kg | — | — |
| Launch cost | — | — | — |
| Reusable | No | No | No |
| Stages | 3 | — | 2 |