Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 2 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/22/2020   06:13:19   (   0.06, -75.15) (  -0.77, -71.43)  423.74                80
 02/23/2020   18:34:58   (  -0.07, -75.16) (  -0.43, -76.66)  171.88                80
 02/24/2020   18:16:03   (  -0.07, -75.16) (   0.61, -72.09)  349.89                80
 02/26/2020   06:40:13   (   0.07, -75.15) (   0.55, -77.28)  242.89                80
 02/27/2020   06:18:38   (   0.07, -75.16) (  -0.49, -72.71)  279.14                80
 02/28/2020   18:40:17   (  -0.07, -75.17) (  -0.70, -77.94)  315.38                80
 02/29/2020   18:24:02   (  -0.07, -75.18) (   0.34, -73.37)  207.02                80
 03/02/2020   06:45:32   (   0.08, -75.18) (   0.83, -78.56)  384.95                80
 03/03/2020   06:23:56   (   0.08, -75.19) (  -0.21, -73.99)  137.48                80
 03/04/2020   18:45:36   (  -0.08, -75.21) (  -0.97, -79.22)  456.67                80
 03/05/2020   18:29:19   (  -0.09, -75.22) (   0.02, -74.63)   66.07                80