So Triton tides of Neptune will be about fifteen times smaller than lunar tides on Earth.Īll the other moons are much smaller or further away or both and will raise completely negligible tides. Neptune is 17 times more massive than Earth and four times the diameter. Triton (Neptune's largest moon) is the jackpot, since it's a third as massive as Earth's Moon, and about the same distance away. That inverse cube of the distance means that the ability of a body to raise a tide drops off very quickly with distance.Ĭomparing Earth and Neptune: The Sun is 30 times further from Neptune than Earth, so Solar tides will be roughly 27,000 times smaller on Neptune. (4) and (roughly) proportional to the diameter of the body of liquid in which the tides are being raised. (3) inversely proportional to the surface gravity of the planet, (2) inversely proportion to the cube of the distance away, (1) proportional to the mass of the celestial body raising the tide,
The tidal force is a bit funny, since the size of the tides raised on a planet by a celestial body is There are two things that control tides on Earth and both will be present anywhere else: The tidal forces from celestial bodies, and the size of the body of liquid in which the tides are raised along with resonances int he body of liquid. It's pretty easy to get a good estimate of their size. There will be tides, but they will be not very large.
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