Compare rockets
Pick up to 4 vehicles to compare specs and flight records side by side. Browse all →
| Specification | Terran R Relativity Space × remove | Kosmos 11K63 Strategic Rocket Forces × remove | Proton K/DM-2 Khrunichev State Research and Production Space Center × remove |
|---|---|---|---|
| Flights | 0 | 126 | 110 |
| Success rate | — | 93.7% | 93.6% |
| Thrust | 9,400 kN | — | — |
| Height | 66 m | 31 m | — |
| Diameter | 5.5 m | 1.6 m | — |
| Launch mass | — | 48 t | — |
| LEO capacity | 20,000 kg | 300 kg | — |
| GTO capacity | — | — | — |
| Launch cost | — | — | — |
| Reusable | Yes | No | No |
| Stages | 2 | 2 | — |