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This is an accepted version of this page This is the latest accepted revision, reviewed on 2 January 2025. Objects intentionally placed into orbit This article is about human-made satellites. For moons, see Natural satellite. For other uses, see Satellite (disambiguation). Two CubeSats orbiting around Earth after being deployed from the ISS Kibō module's Small Satellite Orbital Deployer A ...
Artificial satellites and space probes in the 1980s Year Origin Name Target Status Description 1980 US: Solar Maximum Mission: Sun: Failure: Solar Maximum Mission solar probe succeeded after being repaired in Earth orbit 1981 India: Bhaskara-2: Earth: Success: Bhaskara-2 satellite; launched on Russian Kosmos-3M rocket for ISRO Soviet Union ...
The 5,900 kg (13,000 lb) satellite was deployed from the Space Shuttle Discovery during the STS-48 mission on 15 September 1991. It was the first multi-instrumented satellite to study various aspects of the Earth's atmosphere and have a better understanding of photochemistry. After 14 years of service, the UARS finished its scientific career in ...
In astronomy and celestial navigation, an ephemeris (/ ɪ ˈ f ɛ m ər ɪ s /; pl. ephemerides / ˌ ɛ f ə ˈ m ɛr ɪ ˌ d iː z /; from Latin ephemeris 'diary', from Ancient Greek ἐφημερίς (ephēmerís) 'diary, journal') [1] [2] [3] is a book with tables that gives the trajectory of naturally occurring astronomical objects and artificial satellites in the sky, i.e., the position ...
On October 4, 1957, the Soviet Union launched Sputnik 1, the first artificial satellite of Earth in the history of humankind. Explorer 1 satellite, the third Satellite put into orbit, and the first by NASA. On November 3, 1957, the Soviet Union launched the second satellite, Sputnik 2, and the first to carry a living animal into orbit, a dog ...
This orbit has the special characteristic that the apparent position of the satellite in the sky when viewed by a ground observer does not change, the satellite appears to "stand still" in the sky. This is because the satellite's orbital period is the same as the rotation rate of the Earth. The advantage of this orbit is that ground antennas do ...
Elon Musk's space exploration company, SpaceX, plans to launch up to 42,000 satellites into orbit to beam internet down to remote parts of the Earth. SpaceX has already put close to 200 Starlink ...
First use of a sky crane to land on another celestial body . USA (NASA) Mars Science Laboratory [63] 25 August 2012: First spacecraft to leave the heliosphere. First spacecraft in interstellar space. USA (NASA) Voyager 1 [64] January 2013: First laser communication with a lunar satellite. USA (NASA) Lunar Reconnaissance Orbiter [65] 10 ...