Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 2 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/21/2020   06:34:55   (   0.07, -75.15) (   0.25, -76.01)   97.27                80
 02/22/2020   06:13:19   (   0.07, -75.15) (  -0.79, -71.44)  423.88                80
 02/23/2020   18:37:22   (  -0.08, -75.16) (  -0.41, -76.67)  171.80                63
 02/24/2020   18:16:03   (  -0.08, -75.16) (   0.63, -72.09)  349.90                80
 02/26/2020   06:40:14   (   0.08, -75.15) (   0.54, -77.29)  242.91                80
 02/27/2020   06:18:38   (   0.08, -75.15) (  -0.50, -72.71)  279.07                80
 02/28/2020   18:40:17   (  -0.08, -75.17) (  -0.69, -77.94)  315.55                80
 02/29/2020   18:21:22   (  -0.08, -75.18) (   0.35, -73.37)  206.81                80
 03/02/2020   06:45:32   (   0.09, -75.18) (   0.83, -78.56)  385.21                80
 03/03/2020   06:23:56   (   0.09, -75.19) (  -0.15, -73.98)  137.17                80
 03/04/2020   18:45:35   (  -0.10, -75.20) (  -1.02, -79.21)  457.08                80