Year

Center X

Center Y

Major Semi-axis

Minor Semi-axis

Rotation

Oblateness

1990

630174.76

3838077.47

5909.41

1886.75

74.37

0.68

2000

630389.75

3837770.61

6506.66

2532.69

68.16

0.61

2010

631580.87

3835026.54

7801.44

6164.92

105.03

0.21

2020

632579.57

3834199.34

9318.92

6961.77

100.58

0.25