Layer Estimates:

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

XMin: -10323994.5828
YMin: 4521157.6384
XMax: -10323994.1698
YMax: 4521157.8192
Spatial Reference: 102100 (3857)

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

XMin: -12849067.0196
YMin: 2516428.9478
XMax: -7798921.7331
YMax: 6525886.5098
Spatial Reference: 102100 (3857)