- ... degree
^{1} - This is a non-mathematical description, which could be
transformed in a rigorous definition by using the mathematical notions
of
*probability density function*and of*partition of unity*.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

- ... enough
^{2} - Different virtual asteroids
can have a different absolute magnitude, since the latter is estimated
together with the orbit.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .