engins spatiaux
| Nom | Type | Notoriété | Popularité |
|---|---|---|---|
| Jielong-3 | Concept | 7 | 0.0 |
| Jumpseat | Concept | 8 | 0.4 |
| Juno | Concept | 24 | 3.4 |
| Juno Ii | Concept | 19 | 1.6 |
| Jupiter-a | Concept | 3 | 0.5 |
| Jupiter-c | Concept | 17 | 0.6 |
| Kairos (lanceur Spatial) | Concept | 8 | 0.1 |
| Kappa | Machine | 10 | 0.5 |
| Kh-11 | Concept | 11 | 4.3 |
| Kh-5 | Concept | 7 | 0.6 |
| Kh-6 | Concept | 6 | 0.6 |
| Kh-8 | Concept | 8 | 0.9 |
| Kh-9 | Concept | 13 | 3.0 |
| Kholod | Machine | 6 | 4.0 |
| Korea Space Launch Vehicle | Concept | 29 | 0.9 |
| Kslv-2 | Concept | 18 | 0.3 |
| Kslv-3 | Machine | 3 | 0.0 |
| Lacrosse | Concept | 11 | 2.8 |
| Lanceur | Machine | 63 | 46.1 |
| Lanceur Léger | Machine | 13 | 1.4 |
| Lanceur Moyen | Machine | 13 | 0.5 |
| Lanceur Spatial Chinois Hyperbola-3 | Machine | 2 | 0.0 |
| Lanceur Super Lourd | Machine | 17 | 7.0 |
| Lanyue | Concept | 8 | 0.0 |
| Lex | Machine | 2 | 0.1 |
| Lijian-2 | Machine | 5 | 0.0 |
| Lk | Concept | 21 | 6.0 |
| Lockheed X-17 | Concept | 16 | 1.9 |
| Longue Marche 1 | Concept | 22 | 1.5 |
| Longue Marche 10 | Machine | 10 | 1.7 |
| Longue Marche 12a | Concept | 3 | 0.0 |
| Longue Marche 2c | Concept | 15 | 0.6 |
| Longue Marche 2d | Concept | 16 | 0.7 |
| Longue Marche 2e | Concept | 10 | 0.1 |
| Longue Marche 2f | Concept | 22 | 3.1 |
| Longue Marche 3a | Concept | 15 | 0.6 |
| Longue Marche 3b | Concept | 20 | 2.8 |
| Longue Marche 3c | Concept | 13 | 1.0 |
| Longue Marche 4b | Concept | 15 | 0.5 |
| Longue Marche 4c | Concept | 14 | 0.8 |
| Longue Marche 6a | Concept | 5 | 0.2 |
| Longue Marche 9 | Concept | 15 | 8.7 |
| Luna | Concept | 15 | 0.6 |
| Lunar Cruiser | Machine | 6 | 0.0 |
| Lunar Terrain Vehicle | Machine | 8 | 0.1 |
| Lunokhod 1 | Machine | 33 | 26.2 |
| Lunokhod 2 | Machine | 26 | 9.0 |
| M-100 | Machine | 14 | 0.2 |
| M-v | Concept | 17 | 0.8 |
| Magnum | Concept | 6 | 0.7 |