Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2025 7 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/21/2025   21:22:04   (   0.10, -89.52) (   0.00, -93.18)  407.38                 0
 07/22/2025   21:04:22   (   0.10, -89.51) (   0.36, -88.45)  121.41                80
 07/24/2025   09:26:01   (  -0.11, -89.47) (   0.82, -93.64)  475.27                80
 07/25/2025   09:05:14   (  -0.11, -89.47) (  -0.18, -89.06)   46.07                37
 07/27/2025   21:07:29   (   0.12, -89.52) (   0.09, -89.72)   23.11                80
 07/28/2025   20:51:18   (   0.12, -89.52) (   1.11, -85.15)  499.11                80
 07/30/2025   09:12:58   (  -0.12, -89.50) (   0.08, -90.34)   95.77                80
 07/31/2025   08:54:08   (  -0.12, -89.50) (  -1.00, -85.77)  426.46                80
 08/01/2025   21:13:14   (   0.13, -89.55) (  -0.21, -90.98)  163.58                80
 08/02/2025   20:57:05   (   0.13, -89.56) (   0.86, -86.42)  358.74                80
 08/04/2025   09:18:44   (  -0.14, -89.54) (   0.32, -91.61)  235.86                80