Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2020 3 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/27/2020   10:33:03   (  -0.00,-137.23) (  -0.23,-136.22)  114.49                80
 03/28/2020   22:54:43   (   0.01,-137.21) (  -0.91,-141.46)  483.09                80
 03/29/2020   22:38:26   (   0.02,-137.21) (   0.08,-136.87)   37.98                80
 04/01/2020   10:41:02   (  -0.02,-137.19) (   0.02,-137.50)   34.70                80
 04/02/2020   10:19:26   (  -0.02,-137.18) (  -0.97,-132.91)  485.71                80
 04/03/2020   22:41:04   (   0.01,-137.15) (  -0.22,-138.14)  113.33                80
 04/04/2020   22:24:48   (   0.00,-137.13) (   0.83,-133.57)  406.85                80
 04/06/2020   10:46:19   (  -0.00,-137.12) (   0.38,-138.76)  187.37                80
 04/07/2020   10:24:43   (  -0.00,-137.10) (  -0.66,-134.18)  332.24                80
 04/08/2020   22:46:21   (   0.01,-137.05) (  -0.51,-139.41)  268.25                80