satellites artificiels
| Nom | Type | Notoriété | Popularité |
|---|---|---|---|
| Tiangong 3 | Astre | 11 | 6.2 |
| Tianqin | Outil | 8 | 0.0 |
| Tiros-1 | Concept | 26 | 1.8 |
| Tiros-2 | Concept | 10 | 0.0 |
| Toloo | Astre | 1 | 0.0 |
| Topex/poseidon | Outil | 13 | 5.4 |
| Tournesol | Astre | 2 | 1.3 |
| Trace | Outil | 23 | 3.5 |
| Transit Research And Attitude Control | Astre | 8 | 0.0 |
| Transiting Exoplanet Survey Satellite | Outil | 41 | 7.7 |
| Trishna | Objet | 3 | 0.9 |
| Trumpet | Objet | 8 | 0.4 |
| Tselina | Concept | 12 | 0.8 |
| Tubsat | Objet | 3 | 0.5 |
| Télescope Spatial | Outil | 63 | 33.1 |
| Télescope Spatial Hubble | Outil | 113 | 215.4 |
| Télescope Spatial James-webb | Outil | 104 | 26.1 |
| Téléport | Objet | 4 | 8.4 |
| Türksat 4a | Concept | 12 | 0.6 |
| Uhuru | Outil | 26 | 2.7 |
| Uk-dmc | Objet | 2 | 0.0 |
| Ultrasat | Astre | 5 | 0.1 |
| Ultraviolet Explorer | Outil | 3 | 0.1 |
| Ulysses | Machine | 40 | 6.4 |
| United States Deorbit Vehicle | Objet | 2 | 0.0 |
| Uranus Orbiter And Probe | Astre | 12 | 1.0 |
| Uranus Pathfinder | Astre | 8 | 0.2 |
| Urdaneta-armsat | Machine | 6 | 0.0 |
| Usa 193 | Astre | 24 | 2.7 |
| Usa-10 | Astre | 4 | 0.0 |
| Usa-214 | Astre | 4 | 0.3 |
| Uvsq-sat | Objet | 1 | 0.3 |
| Uwe-1 | Machine | 5 | 0.0 |
| Uwe-2 | Machine | 5 | 0.2 |
| Uwe-3 | Machine | 2 | 0.0 |
| Vaisseau Cargo | Machine | 16 | 5.3 |
| Vaisseau Spatial | Objet | 24 | 49.6 |
| Vaisseau Spatial Gemini N°2 | Objet | 4 | 0.3 |
| Vanguard 1 | Concept | 37 | 8.0 |
| Vanguard 3 | Concept | 13 | 0.3 |
| Vanguard Slv-4 | Concept | 20 | 0.9 |
| Vanguard Tv3 | Concept | 23 | 0.7 |
| Vela | Objet | 25 | 3.4 |
| Venera 1 | Machine | 44 | 2.6 |
| Venera 10 | Machine | 33 | 1.7 |
| Venera 11 | Machine | 32 | 1.0 |
| Venera 12 | Machine | 30 | 1.3 |
| Venera 13 | Machine | 29 | 5.7 |
| Venera 14 | Machine | 26 | 2.5 |
| Venera 15 | Astre | 26 | 0.7 |