This dimension names the body a spacecraft orbits, whether Earth, another planet or the Sun. Wikipedia defines an orbit as "the curved trajectory of an object under the influence of an attracting force," the same physics that keeps an artificial satellite circling its target body. Browsing this way collects every spacecraft that orbits the same body.
Facts
Comparison
Field Origin Era Orbits
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Sources
1. Wikipedia: Sputnik 1
Wikimedia FoundationSputnik 1, lead sectionQuote, Sputnik 1, lead section
It was launched into an elliptical low Earth orbit by the Soviet Union on 4 October 1957 as part of the Soviet space program.
Encyclopedia Astronautica
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