In the case of Geo Sphere contact, the property page is same to Geo Surface contact. For more information, click here.
Figure 1 Properties of Geo Sphere Contact dialog box
Figure 2 Contact Sphere Option dialog box
•Synchronize with Geometry: If this option is checked, Radius is automatically defined with radius of action sphere. If this option is not checked, the user can modify the Radius.
•Radius: Defines the radius of an action sphere.