Satellites, space stations, and deep space probes.
| Label | Operator | Status | Orbit | Launch Date | Mission Type |
|---|---|---|---|---|---|
| Kosmos-758 Космос-758 | Progress Rocket Space Center | retired | LEO | 9/5/1975 | Earth Observation |
| Molniya-1 (1975-079A) Молния-1 | Russian Space Forces | retired | HEO | 9/2/1975 | Communications |
| Kosmos-757 Космос-757 | Russian Space Forces | retired |
| LEO |
| 8/27/1975 |
| Earth Observation |
| Symphonie 2 | French Space Agency (CNES) | retired | GEO | 8/27/1975 | Communications |
| Kosmos-756 Космос-756 | TsNII Kometa | retired | LEO | 8/22/1975 | Signals Intelligence |
| Viking Orbiter 1 | NASA Jet Propulsion Laboratory | retired | interplanetary | 8/20/1975 | Science Exploration |
| Viking Lander 1 | NASA Langley Research Center | retired | interplanetary | 8/20/1975 | Science Exploration |
| Kosmos-755 Космос-755 | ISS Reshetnev | retired | LEO | 8/14/1975 | Positioning Navigation Timing |
| Kosmos-754 Космос-754 | Russian Space Forces | retired | LEO | 8/13/1975 | Earth Observation |
| COS-B | European Space Agency (ESA) | retired | HEO | 8/9/1975 | Science Exploration |
| Kosmos-753 Космос-753 | Russian Space Forces | retired | LEO | 7/31/1975 | Earth Observation |
| JSSW 3 技术试验卫星 | Seventh Ministry of Machine Building | retired | LEO | 7/26/1975 | Earth Observation |
| Kosmos-752 Космос-752 | Proto-Vozdhusnoy Oborony | retired | LEO | 7/24/1975 | Technology Demonstration |
| Kosmos-751 Космос-751 | Russian Space Forces | retired | LEO | 7/23/1975 | Earth Observation |
| Kosmos-750 Космос-750 | Proto-Vozdhusnoy Oborony | retired | LEO | 7/17/1975 | Technology Demonstration |
| Soyuz-19 Союз-19 | NPO Energomash | retired | LEO | 7/15/1975 | Human Spaceflight |
| Docking Module 2 | NASA Johnson Space Center | retired | LEO | 7/15/1975 | Technology Demonstration |
| Apollo-Soyuz Test Project | NASA Johnson Space Center | retired | LEO | 7/15/1975 | Human Spaceflight |
| Meteor-2 (1975-064A) Метеор-2 | Russian Space Forces | retired | LEO | 7/11/1975 | Earth Observation |
| Molniya-2 (1975-063A) Молния-2 | Russian Space Forces | retired | HEO | 7/8/1975 | Communications |
| Kosmos-749 Космос-749 | Glavnoye Razvedyvatelnoe Upravleniye | retired | LEO | 7/4/1975 | Signals Intelligence |
| Kosmos-748 Космос-748 | Russian Space Forces | retired | LEO | 7/3/1975 | Earth Observation |
| Kosmos-747 Космос-747 | Russian Space Forces | retired | LEO | 6/27/1975 | Earth Observation |
| Kosmos-746 Космос-746 | Russian Space Forces | retired | LEO | 6/25/1975 | Earth Observation |
| Kosmos-745 Космос-745 | Proto-Vozdhusnoy Oborony | retired | LEO | 6/24/1975 | Technology Demonstration |
| OSO 8 | NASA Goddard Space Flight Center | retired | LEO | 6/21/1975 | Science Exploration |
| Kosmos-744 Космос-744 | TsNII Kometa | retired | LEO | 6/20/1975 | Signals Intelligence |
| OPS 4966 | U.S. National Reconnaissance Office (NRO) | retired | GEO | 6/18/1975 | Signals Intelligence |
| Venera-10 Венера-10 | Institut Kosmicheksiye Issledovaniya | retired | interplanetary | 6/14/1975 | Science Exploration |
| Kosmos-743 Космос-743 | Russian Space Forces | retired | LEO | 6/12/1975 | Earth Observation |
| Nimbus 6 | NASA Goddard Space Flight Center | retired | LEO | 6/12/1975 | Earth Observation |
| SSU 1 (1975-051C) | U.S. National Reconnaissance Office (NRO) | retired | LEO | 6/8/1975 | Signals Intelligence |
| Venera-9 Венера-9 | Institut Kosmicheksiye Issledovaniya | retired | interplanetary | 6/8/1975 | Science Exploration |
| OPS 6381 | U.S. National Reconnaissance Office (NRO) | retired | LEO | 6/8/1975 | Earth Observation |
| SRET 2 | French Space Agency (CNES) | retired | HEO | 6/5/1975 | Technology Demonstration |
| Molniya-1 (1975-049A) Молния-1 | Russian Space Forces | retired | HEO | 6/5/1975 | Communications |
| Kosmos-742 Космос-742 | Russian Space Forces | retired | LEO | 6/3/1975 | Earth Observation |
| [Interkosmos-14] [Интеркосмос-14] | Interkosmos | retired | suborbital | 6/3/1975 | Science Exploration |
| Kosmos-741 Космос-741 | Priroda Center GUGK | retired | LEO | 5/30/1975 | Earth Observation |
| Kosmos-733 Космос-733 | Russian Space Forces | retired | LEO | 5/28/1975 | Communications |
| Kosmos-735 Космос-735 | Russian Space Forces | retired | LEO | 5/28/1975 | Communications |
| Kosmos-736 Космос-736 | Russian Space Forces | retired | LEO | 5/28/1975 | Communications |
| Kosmos-737 Космос-737 | Russian Space Forces | retired | LEO | 5/28/1975 | Communications |
| Kosmos-738 Космос-738 | Russian Space Forces | retired | LEO | 5/28/1975 | Communications |
| Kosmos-739 Космос-739 | Russian Space Forces | retired | LEO | 5/28/1975 | Communications |
| Kosmos-740 Космос-740 | Russian Space Forces | retired | LEO | 5/28/1975 | Earth Observation |
| Kosmos-732 Космос-732 | Russian Space Forces | retired | LEO | 5/28/1975 | Communications |
| Kosmos-734 Космос-734 | Russian Space Forces | retired | LEO | 5/28/1975 | Communications |
| DMSP 10533 | U.S. Air Force | retired | LEO | 5/24/1975 | Earth Observation |
| Soyuz-18 Союз-18 | NPO Energomash | retired | LEO | 5/24/1975 | Human Spaceflight |