Compare rockets
Pick up to 4 vehicles to compare specs and flight records side by side. Browse all →
| Specification | Athena I Lockheed Martin × remove | Vostok 8A92M RKK Energiya × remove | Proton K/DM-2 Khrunichev State Research and Production Space Center × remove |
|---|---|---|---|
| Flights | 4 | 93 | 110 |
| Success rate | 75% | 98.9% | 93.6% |
| Thrust | 1,900 kN | 3,996 kN | — |
| Height | 18.9 m | 30.84 m | — |
| Diameter | 2.36 m | 2.99 m | — |
| Launch mass | 66 t | 282 t | — |
| LEO capacity | 820 kg | 3,800 kg | — |
| GTO capacity | — | — | — |
| Launch cost | — | — | — |
| Reusable | No | No | No |
| Stages | 3 | 2 | — |