| name | image | follows | Apogee (m) | COSPAR ID | date landed | date launched | Country | continent | Launch Pad | launch site | Rocket | Launch mass (kg) | Mission duration (h) | orbital Inclination (°) | Orbital period (h) | Perigee (m) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Voyager 2 |  | Voyager 1 | 1977-076A[2] | 20/08/1977 | United States | Americas | Cape Canaveral Air Force Station Space Launch Complex 41 | Titan IIIE | 826 | |||||||
| Viking 2 |  | Viking 1 | 1975-083A | 09/09/1975 | Cape Canaveral Air Force Station Space Launch Complex 41 | Titan IIIE | 883 | 81 | 24 |