Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 11 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 11/28/2020   18:49:00   (   0.00, -75.19) (  -0.89, -79.23)  459.65                80
 11/29/2020   18:32:42   (   0.00, -75.20) (   0.10, -74.64)   63.86                80
 12/02/2020   06:35:15   (   0.00, -75.22) (   0.02, -75.24)    3.18                80
 12/04/2020   18:35:16   (  -0.02, -75.25) (  -0.13, -75.89)   71.85                80
 12/05/2020   18:18:58   (  -0.02, -75.26) (   0.86, -71.29)  452.17                80
 12/07/2020   06:40:28   (   0.02, -75.28) (   0.31, -76.48)  137.19                80
 12/08/2020   06:18:51   (   0.02, -75.29) (  -0.74, -71.90)  386.82                80
 12/09/2020   18:40:28   (  -0.02, -75.32) (  -0.40, -77.12)  204.69                80
 12/10/2020   18:24:11   (  -0.02, -75.34) (   0.59, -72.53)  319.95                80
 12/12/2020   06:45:40   (   0.03, -75.37) (   0.59, -77.72)  268.13                80