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Table 3
S22 offset producing the triaxial torque necessary to counterbalance the secular tidal torque (Eq. (61)).
| Tidal theory | From coupled model | ||
|---|---|---|---|
| Satellite | without libration | with libration | |
| S22(γ = 0)[-] | ![]() |
S22 [-] | |
| Moon | 5.88 ∙ 10−11 | 5.88 ∙ 10−11 | 5.90 ∙ 10−11 |
| Phobos | 2.99 ∙ 10−10 | 4.02 ∙ 10−10 | 3.90 ∙ 10−10 |
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![Mathematical equation: ${S_{22}}(\gamma = - {\cal A}\sin M)[ - ]$](/articles/aa/full_html/2026/03/aa57439-25/aa57439-25-eq154.png)