Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 4 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/24/2022   10:52:03   (  -0.02,-137.18) (  -0.18,-136.50)   77.86                80
 04/26/2022   22:58:48   (   0.02,-137.17) (  -0.05,-137.46)   32.95                80
 04/27/2022   22:37:45   (   0.02,-137.17) (   0.97,-133.01)  474.36                80
 04/29/2022   11:02:43   (  -0.02,-137.17) (   0.28,-138.38)  139.25                80
 04/30/2022   10:41:39   (  -0.02,-137.16) (  -0.74,-133.93)  367.69                80
 05/01/2022   23:06:48   (   0.02,-137.15) (  -0.49,-139.35)  251.41                80
 05/02/2022   22:45:44   (   0.02,-137.14) (   0.54,-134.90)  255.19                80
 05/04/2022   11:10:42   (  -0.01,-137.12) (   0.72,-140.27)  359.74                80
 05/05/2022   10:49:39   (  -0.01,-137.11) (  -0.30,-135.82)  146.36                80
 05/06/2022   23:12:07   (   0.01,-137.08) (  -0.91,-141.24)  474.03                80
 05/07/2022   22:56:23   (   0.01,-137.06) (   0.07,-136.78)   31.85                80