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Revision of Jupiter Size
February 27 , 2026
19 hrs 0 min
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- Jupiter’s equatorial diameter is 88,841 miles (142,976 kilometres), about 5 miles smaller than earlier estimates.
- Its polar diameter is 83,067 miles (133,684 kilometres), about 15 miles smaller than previous data.
- The findings show Jupiter is about 7% wider at the equator than at the poles due to rapid rotation.
- Juno has been orbiting Jupiter since 2016 and provides precise data on its structure.
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