Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2025 7 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/11/2025   21:08:57   (   0.07, -89.35) (  -0.17, -90.48)  128.52                80
 07/12/2025   20:52:45   (   0.07, -88.82) (   0.72, -85.87)  335.69                80
 07/14/2025   09:11:42   (  -0.08, -88.00) (   0.60, -91.03)  345.21                80
 07/15/2025   08:55:30   (  -0.08, -87.48) (  -0.29, -86.43)  119.26                80
 07/17/2025   20:55:42   (   0.08, -86.17) (  -0.12, -87.02)   97.12                80
 07/18/2025   20:39:31   (   0.08, -85.64) (   0.83, -82.43)  367.51                80
 07/20/2025   08:58:27   (  -0.09, -84.83) (   0.55, -87.57)  312.88                80
 07/21/2025   08:42:16   (  -0.09, -84.31) (  -0.40, -82.98)  151.57                80