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2004•天文和天体物理学研究：英文版Open access

TheQValues of the Galilean Satellites and their Tidal Contributions to the Deceleration of Jupiter's Rotation

Hong Zhang, Chengzhi Zhang

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Abstract

The relationship between the k 2 / Q of the Galilean satellites and the k 2J / Q J of Jupiter is derived from energy and momentum considerations. Calculations suggest that the Galilean satellites can be divided into two classes according to their Q values: Io and Ganymede have values between 10 and 50, while Europa and Callisto have values ranging from 200 to 700. The tidal contributions of the Galilean satellites to Jupiter's rotation are estimated. The main deceleration of Jupiter, which is about 99.04% of the total, comes from Io.

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The relationship between the k 2 / Q of the Galilean satellites and the k 2J / Q J of Jupiter is derived from energy and momentum considerations. Calculations suggest that the Galilean satellites can be divided into two classes according to their Q values: Io and Ganymede have values between 10 and 50, while Europa and Callisto have values ranging from 200 to 700. The tidal contributions of the Galilean satellites to Jupiter's rotation are estimated. The main deceleration of Jupiter, which is about 99.04% of the total, comes from Io.

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Available abstract

The relationship between the k 2 / Q of the Galilean satellites and the k 2J / Q J of Jupiter is derived from energy and momentum considerations. Calculations suggest that the Galilean satellites can be divided into two classes according to their Q values: Io and Ganymede have values between 10 and 50, while Europa and Callisto have values ranging from 200 to 700. The tidal contributions of the Galilean satellites to Jupiter's rotation are estimated. The main deceleration of Jupiter, which is about 99.04% of the total, comes from Io.

Key concepts: Galilean moons, Jupiter (rocket family), Galilean, Physics, Rotation (mathematics), Natural satellite, Astrophysics, Astronomy

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