| 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Salyut 2 |  | Salyut 1 | 03/04/1973 | Baikonur Cosmodrome | 18,600 | |||||||||||
| Luna 17 |  | Luna 16 | 1970-095A | After 10/11/1970 | Proton-K | 5,700 | ||||||||||
| Luna 18 | Luna 17 | 1971-073A | 02/09/1971 | Proton-K | 5,750 | 35 | 2 | |||||||||
| Luna 19 | Luna 18 | 1971-082A | 28/09/1971 | Proton-K | 5,700 | 9,312 | 41 | 2 | ||||||||
| Luna 20 | Luna 19 | 1972-007A | 25/02/1972 | 14/02/1972 | Proton-K | 5,727 | 65 | 2 |