Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2025 8 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/11/2025   21:24:56   (   0.16, -89.51) (  -0.75, -93.55)  460.97                80
 08/12/2025   21:08:47   (   0.16, -89.51) (   0.28, -88.98)   60.78                80
 08/15/2025   09:11:36   (  -0.16, -89.50) (  -0.12, -89.59)   12.11                80
 08/17/2025   21:11:55   (   0.17, -89.53) (  -0.00, -90.25)   82.63                80
 08/18/2025   20:55:46   (   0.17, -89.54) (   1.04, -85.69)  439.01                80
 08/20/2025   09:17:25   (  -0.18, -89.52) (   0.15, -90.87)  154.79                80
 08/21/2025   08:55:56   (  -0.18, -89.53) (  -0.89, -86.30)  367.09                80
 08/22/2025   21:17:44   (   0.18, -89.57) (  -0.27, -91.53)  224.27                80
 08/23/2025   21:01:35   (   0.19, -89.58) (   0.78, -86.96)  298.41                80