Layer Estimates:

Layer: MeanCenterLayer (ID:0)
Count: 1
Extent:

XMin: -10340397.0837
YMin: 4434640.6895
XMax: -10340397.0827
YMax: 4434640.6905
Spatial Reference: 102100 (3857)

Layer: EllipseLayer (ID:1)
Count: 1
Extent:

XMin: -11722882.9575
YMin: 3380409.1574
XMax: -8957911.21
YMax: 5488872.2216
Spatial Reference: 102100 (3857)