Compare rockets
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| Specification | Conestoga 1620 Space Services Inc. × remove | Proton K/DM-2 Khrunichev State Research and Production Space Center × remove | Tsiklon-2 Yuzhnoye Design Bureau × remove |
|---|---|---|---|
| Flights | 1 | 110 | 105 |
| Success rate | 0% | 93.6% | 98.1% |
| Thrust | — | — | 2,366 kN |
| Height | — | — | 39.7 m |
| Diameter | — | — | 3 m |
| Launch mass | — | — | 182 t |
| LEO capacity | 1,179 kg | — | 2,820 kg |
| GTO capacity | — | — | — |
| Launch cost | — | — | $12M |
| Reusable | No | No | No |
| Stages | 4 | — | 3 |