Compare rockets
Pick up to 4 vehicles to compare specs and flight records side by side. Browse all →
| Specification | Firefly Alpha Firefly Aerospace × remove | Vostok 8A92M RKK Energiya × remove | Tsiklon-3 Yuzhnoye Design Bureau × remove |
|---|---|---|---|
| Flights | 7 | 93 | 122 |
| Success rate | 57.1% | 98.9% | 94.3% |
| Thrust | 736 kN | 3,996 kN | 2,713 kN |
| Height | 29.6 m | 30.84 m | 39.27 m |
| Diameter | 1.82 m | 2.99 m | 3 m |
| Launch mass | 54 t | 282 t | 189 t |
| LEO capacity | 1,000 kg | 3,800 kg | 4,100 kg |
| GTO capacity | — | — | — |
| Launch cost | $15M | — | $15M |
| Reusable | No | No | No |
| Stages | 2 | 2 | 3 |