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This timeline of artificial satellites and space probes includes uncrewed spacecraft including technology demonstrators, observatories, lunar probes, and interplanetary probes. First satellites from each country are included. Not included are most Earth science satellites, commercial satellites or crewed missions .
Explorer 1 was the first satellite launched by the United States in 1958 and was part of the U.S. participation in the International Geophysical Year (IGY). The mission followed the first two satellites, both launched by the Soviet Union during the previous year, Sputnik 1 and Sputnik 2. This began a Space Race during the Cold War between the ...
List of USA satellites. This is a list of satellites and spacecraft which have been given USA designations by the United States Air Force. These designations have been applied to most United States military satellites since 1984, and replaced the earlier OPS designation. As of June 2022, USA designations have been assigned to 331 space satellites.
Ghana. GhanaSat-1. All Nations University. Launched on same rocket as first Bangladeshi and Mongolian satellites. Mongolia. Mazaalai (satellite) National University of Mongolia. Launched on same rocket as first Ghanaian and Bangladeshi satellites. Latvia.
First communications satellite powered by solar cells to recharge storage batteries. October 4, 1960. United States. OSCAR 1. First amateur radio satellite. First satellite ejected into orbit as a secondary launch payload. December 12, 1961. United States. Telstar 1.
The United States continued other space exploration, including major participation with the ISS with its own modules. It also planned a set of uncrewed Mars probes, military satellites, and more. The Constellation program, began by President George W. Bush in 2005, aimed to launch the Orion spacecraft by 2018. A subsequent return to the Moon by ...
The United States Space Surveillance Network (SSN) detects, tracks, catalogs and identifies artificial objects orbiting Earth, e.g. active/inactive satellites, spent rocket bodies, or fragmentation debris. The system is the responsibility of United States Space Command and operated by the United States Space Force and its functions are:
“When The Clock Broke: Con Men, Conspiracists, And How America Cracked Up In The Early 1990s” by John Ganz — John Ganz dives into the heated era of the early 1990s, following the fall of Reagan.