Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 2 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/26/2020   06:40:13   (   0.06, -75.15) (   0.55, -77.28)  243.45                80
 02/27/2020   06:18:38   (   0.06, -75.15) (  -0.49, -72.71)  278.35                80
 02/28/2020   18:40:17   (  -0.06, -75.16) (  -0.71, -77.94)  316.87                80
 02/29/2020   18:24:02   (  -0.06, -75.17) (   0.33, -73.36)  205.31                80
 03/02/2020   06:45:32   (   0.06, -75.17) (   0.84, -78.56)  386.76                80
 03/03/2020   06:23:56   (   0.07, -75.17) (  -0.20, -73.98)  135.43                80
 03/04/2020   18:45:36   (  -0.07, -75.19) (  -0.99, -79.22)  459.43                80
 03/05/2020   18:29:20   (  -0.07, -75.19) (   0.05, -74.64)   63.00                80
 03/08/2020   06:31:55   (   0.08, -75.21) (   0.09, -75.26)    5.98                80