Satellites, space stations, and deep space probes.
| Label | Operator | Status | Orbit | Launch Date | Mission Type |
|---|---|---|---|---|---|
| Kosmos-650 Космос-650 | Military-Topographic Service of the Soviet Army | retired | LEO | 4/29/1974 | Earth Observation |
| Kosmos-649 Космос-649 | Russian Space Forces | retired | LEO | 4/29/1974 | Earth Observation |
| Molniya-2 (1974-026A) Молния-2 | Russian Space Forces | retired |
| HEO |
| 4/26/1974 |
| Communications |
| Meteor (1974-025A) Метеор | Russian Space Forces | retired | LEO | 4/24/1974 | Earth Observation |
| Kosmos-643 Космос-643 | Russian Space Forces | retired | LEO | 4/23/1974 | Communications |
| Kosmos-641 Космос-641 | Russian Space Forces | retired | LEO | 4/23/1974 | Communications |
| Kosmos-642 Космос-642 | Russian Space Forces | retired | LEO | 4/23/1974 | Communications |
| Kosmos-644 Космос-644 | Russian Space Forces | retired | LEO | 4/23/1974 | Communications |
| Kosmos-645 Космос-645 | Russian Space Forces | retired | LEO | 4/23/1974 | Communications |
| Kosmos-646 Космос-646 | Russian Space Forces | retired | LEO | 4/23/1974 | Communications |
| Kosmos-647 Космос-647 | Russian Space Forces | retired | LEO | 4/23/1974 | Communications |
| Kosmos-648 Космос-648 | Russian Space Forces | retired | LEO | 4/23/1974 | Communications |
| Molniya-1 (1974-023A) Молния-1 | Russian Space Forces | retired | HEO | 4/20/1974 | Communications |
| Westar 1 | Western Union Telegraph Corp. | retired | GEO | 4/13/1974 | Communications |
| [Kosmos] (1974-F02) [Космос] | State Space Corporation Roscosmos | retired | suborbital | 4/12/1974 | Earth Observation |
| Kosmos-640 Космос-640 | Russian Space Forces | retired | LEO | 4/11/1974 | Earth Observation |
| S73-7 Cal Balloon | Space Test Program | retired | LEO | 4/10/1974 | Technology Demonstration |
| TOPHAT II | U.S. National Reconnaissance Office (NRO) | retired | LEO | 4/10/1974 | Signals Intelligence |
| OPS 6245 | U.S. National Reconnaissance Office (NRO) | retired | LEO | 4/10/1974 | Earth Observation |
| Kosmos-639 Космос-639 | Russian Space Forces | retired | LEO | 4/4/1974 | Earth Observation |
| Kosmos-638 Космос-638 | State Space Corporation Roscosmos | retired | LEO | 4/3/1974 | Human Spaceflight |
| Kosmos-637 Космос-637 | ISS Reshetnev | retired | GEO | 3/26/1974 | Technology Demonstration |
| Kosmos-636 Космос-636 | Russian Space Forces | retired | LEO | 3/20/1974 | Earth Observation |
| DMSP 8531 | U.S. Air Force | retired | LEO | 3/16/1974 | Earth Observation |
| Kosmos-635 Космос-635 | Russian Space Forces | retired | LEO | 3/14/1974 | Earth Observation |
| Miranda (1974-013A) | Royal Aircraft Establishment | retired | LEO | 3/9/1974 | Technology Demonstration |
| Kosmos-634 Космос-634 | Proto-Vozdhusnoy Oborony | retired | LEO | 3/5/1974 | Technology Demonstration |
| Meteor (1974-011A) Метеор | Russian Space Forces | retired | LEO | 3/5/1974 | Earth Observation |
| Kosmos-633 Космос-633 | Proto-Vozdhusnoy Oborony | retired | LEO | 2/27/1974 | Technology Demonstration |
| San Marco 4 | Italian Space Agency (ASI) | retired | LEO | 2/18/1974 | Science Exploration |
| Tansei-2 たんせい２号 | Japan Aerospace Exploration Agency (JAXA) | retired | LEO | 2/16/1974 | Technology Demonstration |
| OPS 6889 | U.S. National Reconnaissance Office (NRO) | retired | LEO | 2/13/1974 | Earth Observation |
| Kosmos-632 Космос-632 | Russian Space Forces | retired | LEO | 2/12/1974 | Earth Observation |
| Sphinx (1974-F01) | NASA Glenn Research Center | retired | suborbital | 2/11/1974 | Technology Demonstration |
| Viking Dynamic Simulator | NASA Langley Research Center | retired | suborbital | 2/11/1974 | Technology Demonstration |
| Kosmos-631 Космос-631 | Glavnoye Razvedyvatelnoe Upravleniye | retired | LEO | 2/6/1974 | Signals Intelligence |
| Kosmos-630 Космос-630 | Russian Space Forces | retired | LEO | 1/30/1974 | Earth Observation |
| Kosmos-629 Космос-629 | Russian Space Forces | retired | LEO | 1/24/1974 | Earth Observation |
| Skynet IIA | U.K. Ministry of Defence | retired | LEO | 1/19/1974 | Communications |
| Kosmos-628 Космос-628 | Russian Navy | retired | LEO | 1/17/1974 | Positioning Navigation Timing |
| Kosmos-627 Космос-627 | Russian Navy | retired | LEO | 12/29/1973 | Positioning Navigation Timing |
| Kosmos-626 Космос-626 | Russian Navy | retired | LEO | 12/27/1973 | Signals Intelligence |
| Aureole 2 Ореол-2 | State Space Corporation Roscosmos | retired | LEO | 12/26/1973 | Science Exploration |
| Molniya-2 (1973-106A) Молния-2 | Russian Space Forces | retired | HEO | 12/25/1973 | Communications |
| Kosmos-625 Космос-625 | Russian Space Forces | retired | LEO | 12/21/1973 | Earth Observation |
| Kosmos-623 Космос-623 | Russian Space Forces | retired | LEO | 12/19/1973 | Communications |
| Kosmos-624 Космос-624 | Russian Space Forces | retired | LEO | 12/19/1973 | Communications |
| Kosmos-617 Космос-617 | Russian Space Forces | retired | LEO | 12/19/1973 | Communications |
| Kosmos-618 Космос-618 | Russian Space Forces | retired | LEO | 12/19/1973 | Communications |
| Kosmos-619 Космос-619 | Russian Space Forces | retired | LEO | 12/19/1973 | Communications |