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Sputnik 1 (/ ˈ s p ʌ t n ɪ k, ˈ s p ʊ t n ɪ k /, Russian: Спутник-1, Satellite 1), sometimes referred to as simply Sputnik, was the first artificial Earth satellite.It was launched into an elliptical low Earth orbit by the Soviet Union on 4 October 1957 as part of the Soviet space program.
Explorer 1 was the first of the long-running Explorers program. Four follow-up satellites of the Explorer series were launched by the Juno I launch vehicle in 1958, of these, Explorer 3 and 4 were successful, while Explorer 2 and 5 failed to reach orbit. The final flight of the Juno I booster, the satellite Beacon-1, also failed. [22]
Lincoln Experimental Satellite 1, also known as LES-1, is a communications satellite, the first of nine in the Lincoln Experimental Satellite program. Launched by the United States Air Force (USAF) on February 11, 1965, it pioneered many then-advanced technologies including active use of the military's SHF (super high frequency) band (7 to 8 GHz) to service hundreds of users.
The first artificial satellite launched into the Earth's orbit was the Soviet Union's Sputnik 1, on October 4, 1957. As of December 31, 2022, there are 6,718 operational satellites in the Earth's orbit, of which 4,529 belong to the United States (3,996 commercial), 590 belong to China, 174 belong to Russia, and 1,425 belong to other nations.
Ariel 1 (also known as UK-1 and S-55), was the first British-American satellite, and the first satellite in the Ariel programme.Its launch in 1962 made the United Kingdom the third country to operate a satellite, after the Soviet Union and the United States.
SNIPE (Small scale magNetospheric and Ionospheric Plasma Experiment) is a CubeSat developed by the Korea Astronomy and Space Science Institute (KASI) for five years to observe space weather. [1] It is the world's first CubeSat to be equipped with a formation flight function that can change the distance between satellites and flight pattern ...
Sputnik 1: First satellite with radio transmitter [1] October 4, 1957 Soviet Union: Project SCORE: First communications satellite [1] First test of a space communications relay system First (recorded) voice transmission (U.S. President Dwight Eisenhower) December 18, 1958 United States: TIROS-1: First satellite to transmit television images ...
Rohini Satellite 1 or RS-1 is the first satellite successfully launched by India using indigenously developed rockets. After the launch on 18 July 1980 by a SLV rocket, India became the 7th country to have rocket launching capability. The satellite was spin-stabilised and provided data regarding the fourth stage of SLV rocket. [1]