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also orbit around a barycenter not inside either of them. The Sun and
Jupiter orbit a point outside of either, but are not considered a binary because they are different kinds of objects.
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NASA Astrobiology
Institute Shows How Wide Binary Stars Form - NASA
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When binary minor planets are similar in size, they may be called "
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OGLE Atlas of
Variable Star Light Curves - Eclipsing binaries
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are sometimes described as a binary system because the
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A related classification though not a binary system is
464:"Can We Call Pluto and Charon a 'Binary Planet' Yet?"
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397:"Binary Star Systems: Classification and Evolution"
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220:Binary stars are also classified based on orbit.
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276:are often described as a binary system in the
16:Two astronomical bodies which orbit each other
149:to be located outside of either object. (See
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156:The most common kinds of binary system are
125:Learn how and when to remove this message
367:Contact binary (small Solar System body)
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525:Celestial mechanics
438:Minor Planet Center
143:astronomical bodies
141:is a system of two
511:by Mark A. Garlick
403:. 17 January 2018.
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383:References
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215:secondary
436:. IAU /
330:See also
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