What is the appropriate depth of the tomb?

Depending on the deceased, the specifications are also different:

Venus is 36 horizontally and 48 vertically, and the monument is in the middle.

Jupiter is Three six horizontally compared to fifty vertically, the monument should be erected four to five in front and five to five behind.

Mercury means three six horizontally compared to fourty six vertically. The monument should be erected five to five in front and four to five behind.

Mars means 36 horizontally and 52 vertically, so the monument should be 43 in front and 57 in the back.

Saturn means 36 horizontally compared to 47 vertically, so the monument should be 52 in front and 48 in the back.