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

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/04/2020   06:17:54   (   0.01, -75.14) (  -0.60, -72.47)  304.55                80
 04/05/2020   18:39:33   (  -0.01, -75.18) (  -0.59, -77.70)  287.45                80
 04/06/2020   18:23:17   (  -0.01, -75.20) (   0.46, -73.13)  236.49                80
 04/08/2020   06:44:49   (   0.01, -75.22) (   0.68, -78.33)  353.31                80
 04/09/2020   06:23:12   (   0.01, -75.24) (  -0.31, -73.74)  170.75                80
 04/10/2020   18:44:50   (  -0.01, -75.29) (  -0.86, -78.97)  420.50                80
 04/11/2020   18:28:35   (  -0.01, -75.31) (   0.19, -74.40)  104.06                80
 04/13/2020   06:50:06   (   0.02, -75.35) (   0.96, -79.60)  484.48                80
 04/14/2020   06:28:30   (   0.02, -75.37) (  -0.04, -75.01)   40.28                80
 04/16/2020   18:31:13   (  -0.03, -75.45) (  -0.08, -75.67)   24.79                80