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   (   0.07, -75.15) (   0.55, -77.28)  243.11                80
 02/27/2020   06:18:38   (   0.07, -75.15) (  -0.49, -72.71)  278.83                80
 02/28/2020   18:40:17   (  -0.07, -75.17) (  -0.70, -77.94)  315.95                80
 02/29/2020   18:24:02   (  -0.07, -75.18) (   0.34, -73.37)  206.35                80
 03/02/2020   06:45:32   (   0.08, -75.18) (   0.84, -78.56)  385.66                80
 03/03/2020   06:23:56   (   0.08, -75.18) (  -0.20, -73.99)  136.67                80
 03/04/2020   18:45:36   (  -0.08, -75.20) (  -0.98, -79.22)  457.75                80
 03/05/2020   18:29:20   (  -0.09, -75.21) (   0.06, -74.64)   64.86                80
 03/08/2020   06:31:55   (   0.09, -75.22) (   0.08, -75.26)    4.36                80