Layer Estimates:

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

XMin: -12120003.5669
YMin: 4579359.4732
XMax: -12120003.0821
YMax: 4579359.6564
Spatial Reference: 102100 (3857)

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

XMin: -12156556.724
YMin: 4552016.7741
XMax: -12156556.2378
YMax: 4552016.9561
Spatial Reference: 102100 (3857)

Layer: MedianCenterLayer (ID:2)
Count: 1
Extent:

XMin: -12119880.8165
YMin: 4578732.2058
XMax: -12119880.3317
YMax: 4578732.389
Spatial Reference: 102100 (3857)

Layer: EllipseLayer (ID:3)
Count: 1
Extent:

XMin: -12770166.5077
YMin: 3758959.9937
XMax: -11542946.4541
YMax: 5345073.7365
Spatial Reference: 102100 (3857)