Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 2 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/25/2022   22:59:40   (   0.04,-137.21) (  -0.33,-138.80)  182.44                80
 02/26/2022   22:43:58   (   0.04,-137.21) (   0.70,-134.36)  324.84                80
 02/28/2022   11:06:18   (  -0.03,-137.20) (   0.55,-139.74)  289.95                80
 03/01/2022   10:45:16   (  -0.02,-137.20) (  -0.48,-135.30)  217.22                80
 03/02/2022   23:10:24   (   0.02,-137.20) (  -0.78,-140.71)  400.55                80
 03/03/2022   22:49:21   (   0.02,-137.20) (   0.26,-136.27)  106.50                80
 03/06/2022   10:53:19   (  -0.02,-137.18) (  -0.04,-137.21)    3.64                80
 03/08/2022   22:57:25   (   0.02,-137.17) (  -0.18,-138.18)  114.42                80
 03/09/2022   22:41:42   (   0.02,-137.16) (   0.80,-133.72)  391.82                80