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How long is an earth orbit?

Updated: 9/17/2023
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13y ago

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-- The earth itself is in orbit around the sun, at a distance that averages about

93 million miles. At this distance, it takes 365.23 days (rounded) to complete

each orbital revolution.

-- Objects can orbit the earth at any distance that keeps them outside the atmosphere.

The time required to complete each orbital revolution depends on the size of the orbit.

The International Space Station, at an orbital altitude of about 220 miles, takes 92 minutes

for each revolution. TV satellites, at orbital altitudes of 22,236 miles, take exactly 1 day

for each revolution ... that's why they don't appear to move at all in the sky.

The Moon, at an orbital altitude of 238,000 miles, takes 27.3 days for each revolution.

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13y ago
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Q: How long is an earth orbit?
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