It is only necessary to take the numerical sequence 1, 2, 3, 4, 5, 6, 7, 8, 9, and centralize that number which answers to the planet whose opposite you require.

Thus for Saturn, whose number is 8, we have the sequence—

Saturn

4567 8 9123

22 15

4 10 6

or 1

Sun (+)

For Jupiter the resolution is as follows—

Jupiter