Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 3 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/11/2020   18:15:43   (  -0.03, -75.18) (   0.83, -71.34)  437.90                80
 03/13/2020   06:37:13   (   0.03, -75.18) (   0.34, -76.54)  154.68                80
 03/14/2020   06:15:38   (   0.03, -75.18) (  -0.70, -71.96)  367.27                80
 03/15/2020   18:37:17   (  -0.03, -75.19) (  -0.47, -77.20)  227.88                80
 03/16/2020   18:21:02   (  -0.03, -75.20) (   0.58, -72.62)  294.52                80
 03/18/2020   06:42:32   (   0.03, -75.21) (   0.61, -77.81)  297.10                80
 03/19/2020   06:20:57   (   0.03, -75.21) (  -0.43, -73.24)  225.56                80
 03/20/2020   18:42:35   (  -0.03, -75.23) (  -0.78, -78.46)  368.54                80
 03/21/2020   18:26:19   (  -0.03, -75.25) (   0.27, -73.89)  154.77                80
 03/23/2020   06:47:51   (   0.03, -75.27) (   0.87, -79.09)  435.18                80
 03/24/2020   06:26:14   (   0.03, -75.29) (  -0.11, -74.51)   88.44                80