Follow the steps below when creating a solid sphere.
Using the Function:
Select Sphere from the Create>Primitive Solid options. The Create Sphere dialog is then displayed.
Indicate how the sphere is to be created, and select OK when done.
Indicate the base center position for the sphere from the position menu.
The sphere is created per your specifications, and at the base center position you indicated.
Above > Sphere created using the default settings (View 7)