Compare rockets
Pick up to 4 vehicles to compare specs and flight records side by side. Browse all →
| Specification | Start-1 Moscow Institute of Thermal Technology × remove | Kosmos 11K63 Strategic Rocket Forces × remove | Soyuz U Russian Federal Space Agency (ROSCOSMOS) × remove | Voskhod Soviet Space Program × remove |
|---|---|---|---|---|
| Flights | 5 | 126 | 714 | 299 |
| Success rate | 100% | 93.7% | 97.2% | 95.7% |
| Thrust | 887 kN | — | — | — |
| Height | 22.7 m | 31 m | 51.1 m | — |
| Diameter | 1.61 m | 1.6 m | 2.95 m | — |
| Launch mass | 47 t | 48 t | 313 t | — |
| LEO capacity | 632 kg | 300 kg | 6,900 kg | — |
| GTO capacity | — | — | — | — |
| Launch cost | $9M | — | — | — |
| Reusable | No | No | No | No |
| Stages | 4 | 2 | 3 | — |