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Table 1

Satellite data.

Satellite ρ R s g a v v i

Mimas 1.149 198.2 6.37 185 539 14.3 25.1
Enceladus 1.609 252.1 11.34 238 042 12.6 22.2
Tethys 0.985 531.0 14.62 294 672 11.3 20.1
Dione 1.478 561.4 23.20 377 415 10.0 17.8
Rhea 1.237 764.5 26.34 527 068 8.5 15.3
Iapetus 1.088 734.3 22.35 3 560 854 3.3 6.9

Notes.Mean density ρ [gr/cm3], mean radius R [km], surface gravity g [cm/s2], semimajor axis a [km], orbital velocity v, and relative collision velocity vi, both in [km s-1].

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