Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 11 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 11/01/2020   06:20:10   (   0.02, -75.16) (  -0.60, -72.38)  317.05                80
 11/02/2020   18:41:48   (  -0.01, -75.17) (  -0.57, -77.60)  276.98                80
 11/03/2020   18:25:32   (  -0.01, -75.18) (   0.47, -73.02)  245.73                80
 11/05/2020   06:47:01   (   0.01, -75.17) (   0.67, -78.21)  346.07                80
 11/06/2020   06:25:24   (   0.01, -75.18) (  -0.31, -73.62)  176.56                80
 11/07/2020   18:47:02   (  -0.01, -75.19) (  -0.85, -78.85)  417.27                80
 11/08/2020   18:30:46   (  -0.01, -75.20) (   0.19, -74.27)  105.80                80
 11/10/2020   06:52:15   (   0.00, -75.20) (   0.95, -79.46)  484.85                80
 11/11/2020   06:30:38   (   0.00, -75.21) (  -0.09, -74.88)   38.41                80
 11/13/2020   18:33:19   (  -0.00, -75.25) (  -0.07, -75.51)   30.73                80
 11/14/2020   18:17:03   (  -0.00, -75.26) (   0.97, -70.94)  493.10                80