Compare rockets
Pick up to 4 vehicles to compare specs and flight records side by side. Browse all →
| Specification | Zenit Russian Federal Space Agency (ROSCOSMOS) × remove | Molniya-M 2BL Russian Space Forces × remove | Proton K/DM-2 Khrunichev State Research and Production Space Center × remove |
|---|---|---|---|
| Flights | 4 | 272 | 110 |
| Success rate | 100% | 95.2% | 93.6% |
| Thrust | 45 kN | — | — |
| Height | 4.6 m | — | — |
| Diameter | 0.42 m | — | — |
| Launch mass | 0 t | — | — |
| LEO capacity | 0 kg | — | — |
| GTO capacity | 0 kg | — | — |
| Launch cost | — | — | — |
| Reusable | No | No | No |
| Stages | 1 | — | — |