Higher-Order Analytical Attitude Propagation of an Oblate Rigid Body under Gravity-Gradient Torque

Figure 3

Attitude evolution under gravity-gradient torque for the special configuration cos²𝐼=cos²𝐽=1/3 when compared with the corresponding torque-free rotation 𝜇=𝜇₀^′′+𝑎₁𝑀^′𝑡, 𝜈=𝜈₀^′′−(𝑎₁−𝑎₃)𝑁𝑡, and 𝜆=𝜆₀^′′.

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