Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 4 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/03/2020   06:39:30   (   0.01, -75.14) (   0.46, -77.04)  217.90                80
 04/04/2020   06:17:54   (   0.01, -75.15) (  -0.59, -72.47)  305.41                80
 04/05/2020   18:39:33   (  -0.01, -75.19) (  -0.60, -77.70)  286.85                80
 04/06/2020   18:23:17   (  -0.01, -75.20) (   0.45, -73.12)  237.01                80
 04/08/2020   06:44:48   (   0.01, -75.23) (   0.69, -78.33)  352.80                80
 04/09/2020   06:23:13   (   0.01, -75.25) (  -0.35, -73.75)  171.19                80
 04/10/2020   18:44:51   (  -0.01, -75.29) (  -0.83, -78.98)  420.30                80
 04/11/2020   18:28:35   (  -0.01, -75.31) (   0.17, -74.39)  104.21                80
 04/13/2020   06:50:06   (   0.02, -75.35) (   0.98, -79.60)  484.40                80
 04/14/2020   06:28:31   (   0.02, -75.37) (  -0.07, -75.02)   40.24                80
 04/16/2020   18:31:13   (  -0.03, -75.45) (  -0.05, -75.68)   25.33                80