Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 3 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/29/2022   23:13:53   (   0.03,-137.21) (  -0.90,-141.35)  471.72                80
 03/30/2022   22:52:50   (   0.03,-137.21) (   0.10,-136.89)   35.87                80
 04/02/2022   10:59:26   (  -0.03,-137.21) (   0.13,-137.82)   70.49                80
 04/03/2022   10:38:23   (  -0.03,-137.20) (  -0.92,-133.38)  436.68                80
 04/04/2022   23:03:33   (   0.03,-137.20) (  -0.30,-138.80)  181.89                80
 04/05/2022   22:42:29   (   0.03,-137.19) (   0.69,-134.35)  324.90                80
 04/07/2022   11:07:29   (  -0.02,-137.18) (   0.53,-139.73)  290.12                80
 04/08/2022   10:46:25   (  -0.02,-137.17) (  -0.47,-135.28)  216.22                80
 04/09/2022   23:08:53   (   0.02,-137.15) (  -0.80,-140.69)  403.64                80
 04/10/2022   22:53:10   (   0.01,-137.14) (   0.20,-136.23)  102.45                80