Hyperion is the largest of Saturn's irregular, nonspherical moons. Hyperion's mean radius is 135 km, but as it's potato-shaped, its shape can be described in terms of its diameter along its three axes: 410 x 260 x 220 km. Credit: NASA/JPL/Caltech/SSIsnoopy369 t1_j6d553y wrote
Reply to comment by Sassy-irish-lassy in Hyperion is the largest of Saturn's irregular, nonspherical moons. Hyperion's mean radius is 135 km, but as it's potato-shaped, its shape can be described in terms of its diameter along its three axes: 410 x 260 x 220 km. Credit: NASA/JPL/Caltech/SSI by MistWeaver80
This stackexchange answer discusses this some. It depends on the material and mass. Pallas is also not spherical, nor is Vesta. Pallas is a good bit bigger (mean radius over 200km).
[deleted] t1_j6d6zdn wrote
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