Satellites, space stations, and deep space probes.
| Label | Operator | Status | Orbit | Launch Date | Mission Type |
|---|---|---|---|---|---|
| AS-203 Nosecone | NASA Marshall Space Flight Center | retired | LEO | 7/5/1966 | Technology Demonstration |
| Explorer 33 | NASA Goddard Space Flight Center | retired | cislunar | 7/1/1966 | Science Exploration |
| Kosmos-122 Космос-122 | VNIIEM (All-Union Electromechanical Scientific Research Institute) | retired |
| LEO |
| 6/25/1966 |
| Earth Observation |
| Pageos | NASA Langley Research Center | retired | MEO | 6/24/1966 | Earth Observation |
| OPS 1599 | U.S. National Reconnaissance Office (NRO) | retired | LEO | 6/21/1966 | Earth Observation |
| Kosmos-121 Космос-121 | Russian Space Forces | retired | LEO | 6/17/1966 | Earth Observation |
| OPS 9317 | U.S. Space Systems Command | retired | MEO | 6/16/1966 | Communications |
| OPS 9312 | U.S. Space Systems Command | retired | MEO | 6/16/1966 | Communications |
| OPS 9313 | U.S. Space Systems Command | retired | MEO | 6/16/1966 | Communications |
| OPS 9314 | U.S. Space Systems Command | retired | MEO | 6/16/1966 | Communications |
| OPS 9315 | U.S. Space Systems Command | retired | MEO | 6/16/1966 | Communications |
| OPS 9316 | U.S. Space Systems Command | retired | MEO | 6/16/1966 | Communications |
| GGTS | U.S. Space Systems Command | retired | MEO | 6/16/1966 | Technology Demonstration |
| OPS 9311 | U.S. Space Systems Command | retired | MEO | 6/16/1966 | Communications |
| OV3-4 | U.S. Air Force | retired | MEO | 6/10/1966 | Technology Demonstration |
| FTV 1351 | U.S. Space Systems Command | retired | LEO | 6/9/1966 | Missile Warning Tracking |
| EGRS VI | U.S. Army | retired | LEO | 6/9/1966 | Earth Observation |
| ORS 2 | U.S. Space Systems Command | retired | LEO | 6/9/1966 | Technology Demonstration |
| Kosmos-120 Космос-120 | Russian Space Forces | retired | LEO | 6/8/1966 | Earth Observation |
| OGO 3 | NASA Goddard Space Flight Center | retired | HEO | 6/7/1966 | Science Exploration |
| Gemini IX-A | NASA Manned Spacecraft Center | retired | LEO | 6/3/1966 | Human Spaceflight |
| OPS 1577 | U.S. National Reconnaissance Office (NRO) | retired | LEO | 6/3/1966 | Earth Observation |
| ATDA | NASA Manned Spacecraft Center | retired | LEO | 6/1/1966 | Human Spaceflight |
| Surveyor 1 | NASA Jet Propulsion Laboratory | retired | cislunar | 5/30/1966 | Science Exploration |
| Explorer 32 | NASA Goddard Space Flight Center | retired | LEO | 5/25/1966 | Science Exploration |
| Kosmos-119 Космос-119 | Yuzhnoye | retired | LEO | 5/24/1966 | Science Exploration |
| OPS 1778 | U.S. National Reconnaissance Office (NRO) | retired | LEO | 5/24/1966 | Earth Observation |
| NNS 30090 | U.S. Navy | retired | LEO | 5/19/1966 | Positioning Navigation Timing |
| [Kosmos] (1966-F06) [Космос] | State Space Corporation Roscosmos | retired | suborbital | 5/17/1966 | Earth Observation |
| TDA 5 | NASA Manned Spacecraft Center | retired | suborbital | 5/17/1966 | Human Spaceflight |
| Nimbus 2 | NASA Goddard Space Flight Center | retired | LEO | 5/15/1966 | Earth Observation |
| LEIGE | U.S. National Reconnaissance Office (NRO) | retired | LEO | 5/14/1966 | Signals Intelligence |
| OPS 1950 | U.S. National Reconnaissance Office (NRO) | retired | LEO | 5/14/1966 | Earth Observation |
| Kosmos-118 Космос-118 | VNIIEM (All-Union Electromechanical Scientific Research Institute) | retired | LEO | 5/11/1966 | Earth Observation |
| Kosmos-117 Космос-117 | Russian Space Forces | retired | LEO | 5/6/1966 | Earth Observation |
| OPS 1508 | U.S. National Reconnaissance Office (NRO) | retired | suborbital | 5/3/1966 | Earth Observation |
| Kosmos-116 Космос-116 | Yuzhnoye | retired | LEO | 4/26/1966 | Technology Demonstration |
| Molniya-1 (1966-035A) Молния-1 | ISS Reshetnev | retired | HEO | 4/25/1966 | Communications |
| OV3-1 | U.S. Air Force | retired | MEO | 4/22/1966 | Science Exploration |
| Kosmos-115 Космос-115 | Russian Space Forces | retired | LEO | 4/20/1966 | Earth Observation |
| OPS 0910 | U.S. National Reconnaissance Office (NRO) | retired | LEO | 4/19/1966 | Earth Observation |
| Surveyor Model 2 | NASA Jet Propulsion Laboratory | retired | LEO | 4/8/1966 | Technology Demonstration |
| OAO 1 | NASA Goddard Space Flight Center | retired | LEO | 4/8/1966 | Science Exploration |
| OPS 1612 | U.S. National Reconnaissance Office (NRO) | retired | LEO | 4/7/1966 | Earth Observation |
| Kosmos-114 Космос-114 | Russian Space Forces | retired | LEO | 4/6/1966 | Earth Observation |
| Luna-10 Луна-10 | Central KB for Experimental Machine Building | retired | cislunar | 3/31/1966 | Science Exploration |
| OPS 0340 | U.S. Space Systems Command | retired | LEO | 3/31/1966 | Earth Observation |
| OV1-4 | U.S. Air Force | retired | LEO | 3/30/1966 | Science Exploration |
| OV1-5 | U.S. Air Force | retired | LEO | 3/30/1966 | Missile Warning Tracking |
| Molniya-1 No. 5 Молния-1 | State Space Corporation Roscosmos | retired | suborbital | 3/27/1966 | Communications |