Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 5 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)
 05/21/2022   10:55:11   (  -0.00,-137.18) (  -0.03,-137.01)   18.49                80
 05/23/2022   23:01:54   (   0.00,-137.16) (  -0.20,-137.97)   92.98                80
 05/24/2022   22:40:50   (   0.00,-137.15) (   0.85,-133.52)  414.08                80
 05/26/2022   11:05:49   (   0.00,-137.14) (   0.42,-138.89)  200.21                80
 05/27/2022   10:44:45   (  -0.00,-137.13) (  -0.63,-134.45)  306.47                80
 05/28/2022   23:07:11   (   0.00,-137.11) (  -0.63,-139.85)  312.88                80
 05/29/2022   22:51:27   (   0.01,-137.09) (   0.36,-135.39)  193.46                80
 05/31/2022   11:13:46   (  -0.00,-137.07) (   0.85,-140.77)  422.12                80
 06/01/2022   10:52:42   (  -0.01,-137.05) (  -0.14,-136.31)   83.77                80
 06/03/2022   22:56:45   (   0.00,-136.99) (  -0.04,-137.27)   31.42                80