In article ,
OM om@our_blessed_lady_mary_of_the_holy_NASA_researc h_facility.org wrote:
The fields of the moons are insignificant...

...Hasn't Io been determined to have a higher magnetic field than the
other moons? IIRC, it's significant enough to possibly be used for
torquing.

Conceivably, but the radiation environment makes it very undesirable for
a probe to spend any significant time in the vicinity of Io.
--
MOST launched 30 June; first light, 29 July; 5arcsec | Henry Spencer
pointing, 10 Sept; first science, early Oct; all well. |