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Table 1
Observed orbit and spin states of Hyperion during the single Voyager 2 and the three Cassini flybys.
| Date | e | M | θ | ϕ | ψ | ωA/|ω| | ωB/|ω| | ωC/|ω| | ω |
|---|---|---|---|---|---|---|---|---|---|
| Uncorrected for body axis-principal axis misalignment | |||||||||
| 1981-08-23 | 0.124 | 0.349 | 5.676 | 0.965 | 3.448 | 0.211 | −0.019 | 0.977 | 4.225 |
| 2005-06-10 | 0.115 | 5.149 | 1.713 | 1.148 | 1.508 | 0.067 | 0.451 | 0.890 | 4.433 |
| 2005-08-16 | 0.115 | 5.969 | 0.559 | 0.661 | 0.587 | 0.162 | 0.389 | 0.907 | 4.255 |
| 2005-09-25 | 0.113 | 5.288 | 5.734 | 0.134 | 0.705 | 0.133 | 0.411 | 0.902 | 4.255 |
| Corrected with estimate of body axis-principal axis misalignment | |||||||||
| 2005-06-10 | 0.115 | 5.149 | 2.055 | 0.963 | 2.210 | −0.010 | −0.182 | 0.983 | 4.433 |
| 2005-08-16 | 0.115 | 5.969 | 1.025 | 0.819 | 1.112 | −0.166 | 0.009 | 0.986 | 4.255 |
| 2005-09-25 | 0.113 | 5.288 | 0.527 | 0.393 | 0.525 | −0.095 | 0.157 | 0.983 | 4.255 |
Notes. Data reported by Black et al. (1995) and Harbison et al. (2011). The Euler angles θ, ϕ, and ψ use the ZXZ convention.
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