Is it correct to state that the satellite's energy level is simular to
one with a circular orbit somewhere between 400km and 10,000? ( lets
say 5000 for sake of disussion).


If, between 5000 and 400, the satellite has more speed than needed to be
in orbit, how come it continues to drop all the way down to 400km before
rising?

Or is this a case of the innertia gained falling from 10,000 to 5000
will make the satellite w3ant to continue in the same direction towards
earth until the "slinghot" cause it to change direction and turn around
and rise up in altitude again?
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