Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2025 5 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/05/2025   22:11:42   (   0.00,-104.39) (  -0.80,-107.84)  393.35                80
 05/06/2025   21:55:34   (   0.00,-104.40) (   0.25,-103.27)  128.25                80
 05/08/2025   10:17:14   (  -0.00,-104.41) (   0.92,-108.47)  462.90                80
 05/09/2025   09:55:46   (  -0.00,-104.41) (  -0.14,-103.91)   58.49                80
 05/11/2025   21:58:45   (   0.00,-104.43) (  -0.06,-104.56)   16.11                80
 05/14/2025   10:04:17   (  -0.01,-104.44) (   0.14,-105.20)   85.51                80
 05/15/2025   09:42:48   (  -0.01,-104.45) (  -0.87,-100.63)  435.55                80
 05/16/2025   22:04:37   (   0.00,-104.45) (  -0.32,-105.86)  160.99                80
 05/17/2025   21:48:28   (   0.00,-104.45) (   0.70,-101.28)  360.44                80