Satellites, space stations, and deep space probes.
| Label | Operator | Status | Orbit | Launch Date | Mission Type |
|---|---|---|---|---|---|
| Seasat 1 | NASA Jet Propulsion Laboratory | retired | LEO | 6/27/1978 | Earth Observation |
| Soyuz-30 Союз-30 | NPO Energomash | retired | LEO | 6/27/1978 | Human Spaceflight |
| Kosmos-1023 Космос-1023 | Russian Space Forces | retired |
| LEO |
| 6/21/1978 |
| Communications |
| GOES 3 | National Oceanic and Atmospheric Administration (NOAA) | retired | GEO | 6/16/1978 | Earth Observation |
| Soyuz-29 Союз-29 | NPO Energomash | retired | LEO | 6/15/1978 | Human Spaceflight |
| OPS 4515 | U.S. National Reconnaissance Office (NRO) | retired | LEO | 6/14/1978 | Earth Observation |
| Kosmos-1022 Космос-1022 | Russian Space Forces | retired | LEO | 6/12/1978 | Earth Observation |
| OPS 9454 | U.S. National Reconnaissance Office (NRO) | retired | GEO | 6/10/1978 | Signals Intelligence |
| Kosmos-1021 Космос-1021 | Russian Space Forces | retired | LEO | 6/10/1978 | Earth Observation |
| Kosmos-1015 Космос-1015 | Russian Space Forces | retired | LEO | 6/7/1978 | Communications |
| Kosmos-1014 Космос-1014 | Russian Space Forces | retired | LEO | 6/7/1978 | Communications |
| Kosmos-1016 Космос-1016 | Russian Space Forces | retired | LEO | 6/7/1978 | Communications |
| Kosmos-1020 Космос-1020 | Russian Space Forces | retired | LEO | 6/7/1978 | Communications |
| Kosmos-1019 Космос-1019 | Russian Space Forces | retired | LEO | 6/7/1978 | Communications |
| Kosmos-1018 Космос-1018 | Russian Space Forces | retired | LEO | 6/7/1978 | Communications |
| Kosmos-1013 Космос-1013 | Russian Space Forces | retired | LEO | 6/7/1978 | Communications |
| Kosmos-1017 Космос-1017 | Russian Space Forces | retired | LEO | 6/7/1978 | Communications |
| Molniya-1 (1978-055A) Молния-1 | Russian Space Forces | retired | HEO | 6/2/1978 | Communications |
| Ekran (1978-F02) Экран | Ministry of Comms. Union Radio Comms. | retired | suborbital | 5/27/1978 | Communications |
| Kosmos-1012 Космос-1012 | Russian Space Forces | retired | LEO | 5/25/1978 | Earth Observation |
| Kosmos-1011 Космос-1011 | Russian Navy | retired | LEO | 5/23/1978 | Positioning Navigation Timing |
| Kosmos-1010 Космос-1010 | Priroda Center GUGK | retired | LEO | 5/23/1978 | Earth Observation |
| Pioneer Venus Orbiter | NASA Ames Research Center | retired | interplanetary | 5/20/1978 | Science Exploration |
| Kosmos-1009 Космос-1009 | Russian Ministry of Defense | retired | LEO | 5/19/1978 | Technology Demonstration |
| Kosmos-1008 Космос-1008 | Glavnoye Razvedyvatelnoe Upravleniye | retired | LEO | 5/17/1978 | Signals Intelligence |
| Kosmos-1007 Космос-1007 | Russian Space Forces | retired | LEO | 5/16/1978 | Earth Observation |
| Navstar 2 | U.S. Air Force | retired | MEO | 5/13/1978 | Positioning Navigation Timing |
| Kosmos-1005 Космос-1005 | Glavnoye Razvedyvatelnoe Upravleniye | retired | LEO | 5/12/1978 | Signals Intelligence |
| Kosmos-1006 Космос-1006 | Proto-Vozdhusnoy Oborony | retired | LEO | 5/12/1978 | Technology Demonstration |
| OTS 2 | European Space Agency (ESA) | retired | GEO | 5/11/1978 | Communications |
| Kosmos-1004 Космос-1004 | Russian Space Forces | retired | LEO | 5/5/1978 | Earth Observation |
| DMSP F-3 | U.S. Air Force | retired | LEO | 5/1/1978 | Earth Observation |
| HCMM | NASA Goddard Space Flight Center | retired | LEO | 4/26/1978 | Earth Observation |
| Kosmos-1003 Космос-1003 | Russian Space Forces | retired | LEO | 4/20/1978 | Earth Observation |
| OPS 8790 | U.S. National Reconnaissance Office (NRO) | retired | GEO | 4/7/1978 | Signals Intelligence |
| Yuri ゆり | Japan Aerospace Exploration Agency (JAXA) | retired | GEO | 4/7/1978 | Communications |
| Kosmos-1002 Космос-1002 | Russian Space Forces | retired | LEO | 4/6/1978 | Earth Observation |
| Kosmos-1001 Космос-1001 | NPO Energomash | retired | LEO | 4/4/1978 | Human Spaceflight |
| INTELSAT IVA F6 | Intelsat | retired | GEO | 3/31/1978 | Communications |
| Kosmos-1000 Космос-1000 | ISS Reshetnev | retired | LEO | 3/31/1978 | Positioning Navigation Timing |
| Kosmos-999 Космос-999 | Russian Space Forces | retired | LEO | 3/30/1978 | Earth Observation |
| Kosmos-997 Космос-997 | Khrunichev State Research and Production Center | retired | LEO | 3/30/1978 | Human Spaceflight |
| Kosmos-998 Космос-998 | Khrunichev State Research and Production Center | retired | LEO | 3/30/1978 | Human Spaceflight |
| Kosmos-996 Космос-996 | Russian Navy | retired | LEO | 3/28/1978 | Positioning Navigation Timing |
| DSCS II F-10 | U.S. Air Force | retired | suborbital | 3/25/1978 | Communications |
| DSCS II F-9 | U.S. Air Force | retired | suborbital | 3/25/1978 | Communications |
| Kosmos-995 Космос-995 | Russian Space Forces | retired | LEO | 3/17/1978 | Earth Observation |
| RAQUEL IA | U.S. National Reconnaissance Office (NRO) | retired | LEO | 3/16/1978 | Signals Intelligence |
| OPS 0460 | U.S. National Reconnaissance Office (NRO) | retired | LEO | 3/16/1978 | Earth Observation |
| Kosmos-994 Космос-994 | Russian Navy | retired | LEO | 3/15/1978 | Positioning Navigation Timing |