Your suggestion worked but I had to tinker with both tiltangles to get
the effect I wanted. Thanks for your help!
var scene:Scene3D = new Scene3D();
var camera:HoverCamera3D = new HoverCamera3D({zoom:1, focus:400,
distance:400});
camera.panangle = -180;
camera.tiltangle = 175;
camera.yfactor = 1;
var view:View3D = new View3D({scene:scene, camera:camera});
// ************************
camera.hover();
camera.tiltangle = 45;
// ************************
addChild(view);
view.x = 800;
view.y = 400;
this.addEventListener(Event.ENTER_FRAME, onEnterFrame);
function onEnterFrame(event:Event):void {
// rotate sphere around the Y-axis
mySphere.rotationY = getTimer() / 200;
view.render();