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North Korea |
Unha-X |
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Overall Vehicle |
Operational | from | xx. 04.2023 ? | |
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to | |||
| Orbital flights | 0 | |||
| Payload weight | t | LEO | ~3.0 | |
| Gross liftoff weight | t | ~202 | ||
| Gross propellant weight | t | 178.6 | ||
| Total length | m | ~45 | ||
| Max. diameter (span) | m | |||
| Total liftoff thrust (s.l.) | kN | 2,503 | ||
| Total impulse (vac) | MN*s | 520.7 | ||
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Fairing |
Total length | m | ~6.50 | |
| Diameter | m | 2.40 | ||
| Total weight | t | 0.1 | ||
| Stage 3 | Name | |||
| Length (+adapter) | m | ~5.00 | ||
| Diameter | m | 2.40 | ||
| Liftoff weight | t | ~12.5 | ||
| Propellant weight | t | 11.00 | ||
| Engines | LRE-X (4) | |||
| Propellant | UDMH/N2O4 | |||
| Total thrust (vac) | kN | 125.0 | ||
| Specific impulse (vac) | N*s/kg | 2501 | ||
| Burn time | s | 220 | ||
| Total impulse (vac) | MN*s | 27.5 | ||
| Stage 2 |
Name |
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| Length (+adapter) | m | ~16.00 | ||
| Diameter | m | 2.40 | ||
| Liftoff weight | t | ~63 | ||
| Propellant weight | t | 56.74 | ||
| Engines | Pektusan-B2 | |||
| Propellant | UDMH/N2O4 | |||
| Total thrust (vac) | kN | 880.0 | ||
| Specific impulse (vac) | N*s/kg | 2947 | ||
| Burn time | s | 190 | ||
| Total impulse (vac) | MN*s | 167.2 | ||
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Stage 1 |
Name | |||
| Length | m | ~18.50 | ||
| Diameter | m | 3.00 | ||
| Liftoff weight | t | ~123 | ||
| Propellant weight | t | 110.85 | ||
| Engines | 3 x Pektusan-A2 | |||
| Propellant | UDMH/N2O4 | |||
| Total thrust (s.l.) | kN | 2,363.4 (+139.9) | ||
| Specific impulse (s.l.) | N*s/kg | 2638 | ||
| Burn time | s | 120 | ||
| Total impulse (vac) | MN*s | 326.0 | ||