Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 4 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/23/2022   11:13:07   (  -0.02,-137.19) (   0.81,-140.95)  429.14                80
 04/24/2022   10:52:04   (  -0.02,-137.19) (  -0.21,-136.51)   78.66                80
 04/26/2022   22:58:48   (   0.02,-137.19) (  -0.02,-137.47)   31.30                80
 04/27/2022   22:37:44   (   0.02,-137.19) (   0.94,-133.01)  476.50                80
 04/29/2022   11:02:43   (  -0.02,-137.19) (   0.25,-138.39)  136.59                80
 04/30/2022   10:41:40   (  -0.02,-137.19) (  -0.76,-133.94)  370.71                80
 05/01/2022   23:06:48   (   0.02,-137.18) (  -0.46,-139.36)  247.75                80
 05/02/2022   22:45:45   (   0.02,-137.17) (   0.56,-134.91)  259.23                80
 05/04/2022   11:10:43   (  -0.01,-137.16) (   0.70,-140.28)  355.19                80
 05/05/2022   10:49:39   (  -0.01,-137.15) (  -0.32,-135.83)  151.27                80
 05/06/2022   23:12:07   (   0.01,-137.13) (  -0.95,-141.23)  468.48                80