Compare rockets
Pick up to 4 vehicles to compare specs and flight records side by side. Browse all →
| Specification | Pegasus Orbital Sciences Corporation × remove | Proton K/DM-2 Khrunichev State Research and Production Space Center × remove | Space Shuttle National Aeronautics and Space Administration × remove |
|---|---|---|---|
| Flights | 4 | 110 | 135 |
| Success rate | 100% | 93.6% | 98.5% |
| Thrust | 580 kN | — | 28,200 kN |
| Height | 16.9 m | — | 56.1 m |
| Diameter | 1.27 m | — | 8 m |
| Launch mass | 18 t | — | 2,030 t |
| LEO capacity | 443 kg | — | 27,500 kg |
| GTO capacity | 0 kg | — | — |
| Launch cost | $40M | — | $450M |
| Reusable | No | No | Yes |
| Stages | 3 | — | 2 |