Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 4 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)
 04/26/2022   22:58:48   (   0.02,-137.19) (  -0.03,-137.47)   31.47                80
 04/27/2022   22:37:45   (   0.02,-137.19) (   0.99,-133.02)  476.35                80
 04/29/2022   11:02:43   (  -0.02,-137.19) (   0.26,-138.39)  136.31                80
 04/30/2022   10:41:40   (  -0.02,-137.19) (  -0.76,-133.94)  371.08                80
 05/01/2022   23:06:48   (   0.02,-137.18) (  -0.47,-139.35)  247.53                80
 05/02/2022   22:45:44   (   0.02,-137.18) (   0.56,-134.91)  259.54                80
 05/04/2022   11:10:43   (  -0.01,-137.17) (   0.70,-140.28)  354.46                80
 05/05/2022   10:49:39   (  -0.01,-137.16) (  -0.33,-135.83)  152.11                80
 05/06/2022   23:14:47   (   0.01,-137.14) (  -0.94,-141.23)  467.78                80
 05/07/2022   22:56:23   (   0.01,-137.12) (   0.09,-136.79)   38.56                80