Rough estimates of solar system gravitomagnetic effects in post-Newtonian gravity
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866910897197285376 |
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| author | Hong, Soon-Tae |
| author_facet | Hong, Soon-Tae |
| contents | In order to describe properly the gravity interactions including the mass currents, in the gravitomagnetism we construct four Maxwell type gravitational equations which are shown to be analogs of the Maxwell equations in the electromagnetism. Next, exploiting the Maxwell type gravitational equations, we explicitly predict the mass magnetic fields for both the isolated system of the spinning Moon orbiting the spinning Earth and that of the Sun and solar system planets orbiting the spinning Sun, whose phenomenological values have not been evaluated in the precedented Newtonian gravity formalisms. In the gravitomagnetism we also phenomenologically investigate the mass magnetic general relativity (GR) forces associated with the mass magnetic fields, to find that they are extremely small but non-vanishing compared to the corresponding mass electric Newtonian forces. Moreover, the directions of the mass magnetic GR forces for the solar system planets except Venus and Uranus are shown to be anti-parallel to those of their mass electric Newtonian forces. Next we investigate the mass magnetic dipole moment related with the B-ring of Saturn, to evaluate $\vec{m}_{M}(Ring)=-1.141\times 10^{4}~{\rm m^{3}~sec^{-1}}~\hatω$ with $\hatω$ being the unit vector along the axis direction of the spinning B-ring. The predicted value of $\vec{m}_{M}(Ring)$ is shown to be directly related with the Cassini data on the total mass of the rings of Saturn. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2503_08701 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Rough estimates of solar system gravitomagnetic effects in post-Newtonian gravity Hong, Soon-Tae General Relativity and Quantum Cosmology In order to describe properly the gravity interactions including the mass currents, in the gravitomagnetism we construct four Maxwell type gravitational equations which are shown to be analogs of the Maxwell equations in the electromagnetism. Next, exploiting the Maxwell type gravitational equations, we explicitly predict the mass magnetic fields for both the isolated system of the spinning Moon orbiting the spinning Earth and that of the Sun and solar system planets orbiting the spinning Sun, whose phenomenological values have not been evaluated in the precedented Newtonian gravity formalisms. In the gravitomagnetism we also phenomenologically investigate the mass magnetic general relativity (GR) forces associated with the mass magnetic fields, to find that they are extremely small but non-vanishing compared to the corresponding mass electric Newtonian forces. Moreover, the directions of the mass magnetic GR forces for the solar system planets except Venus and Uranus are shown to be anti-parallel to those of their mass electric Newtonian forces. Next we investigate the mass magnetic dipole moment related with the B-ring of Saturn, to evaluate $\vec{m}_{M}(Ring)=-1.141\times 10^{4}~{\rm m^{3}~sec^{-1}}~\hatω$ with $\hatω$ being the unit vector along the axis direction of the spinning B-ring. The predicted value of $\vec{m}_{M}(Ring)$ is shown to be directly related with the Cassini data on the total mass of the rings of Saturn. |
| title | Rough estimates of solar system gravitomagnetic effects in post-Newtonian gravity |
| topic | General Relativity and Quantum Cosmology |
| url | https://arxiv.org/abs/2503.08701 |