Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2025 9 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/07/2025   21:16:16   (   0.20, -89.51) (  -0.08, -90.75)  141.63                80
 09/08/2025   21:00:06   (   0.20, -89.51) (   0.93, -86.17)  380.01                80
 09/10/2025   09:21:44   (  -0.19, -89.50) (   0.25, -91.36)  212.41                80
 09/11/2025   09:00:15   (  -0.20, -89.50) (  -0.83, -86.79)  308.85                80
 09/12/2025   21:24:42   (   0.18, -89.51) (  -0.38, -92.01)  284.68                80
 09/13/2025   21:03:13   (   0.19, -89.52) (   0.69, -87.45)  236.86                80
 09/15/2025   09:27:30   (  -0.18, -89.51) (   0.53, -92.62)  355.01                80
 09/16/2025   09:06:00   (  -0.19, -89.51) (  -0.55, -88.05)  166.29                80
 09/17/2025   21:30:28   (   0.18, -89.52) (  -0.65, -93.27)  427.11                80
 09/18/2025   21:08:57   (   0.19, -89.53) (   0.37, -88.69)   95.13                80
 09/20/2025   09:33:15   (  -0.18, -89.54) (   0.84, -93.87)  494.54                80