Compare rockets
Pick up to 4 vehicles to compare specs and flight records side by side. Browse all →
| Specification | Spectrum Isar Aerospace × remove | Soyuz U Russian Federal Space Agency (ROSCOSMOS) × remove | Kosmos 11K63 Strategic Rocket Forces × remove | Tsiklon-2 Yuzhnoye Design Bureau × remove |
|---|---|---|---|---|
| Flights | 1 | 714 | 126 | 105 |
| Success rate | 0% | 97.2% | 93.7% | 98.1% |
| Thrust | 675 kN | — | — | 2,366 kN |
| Height | 28 m | 51.1 m | 31 m | 39.7 m |
| Diameter | 2 m | 2.95 m | 1.6 m | 3 m |
| Launch mass | — | 313 t | 48 t | 182 t |
| LEO capacity | 1,000 kg | 6,900 kg | 300 kg | 2,820 kg |
| GTO capacity | — | — | — | — |
| Launch cost | — | — | — | $12M |
| Reusable | No | No | No | No |
| Stages | 2 | 3 | 2 | 3 |