Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 3 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/05/2020   18:29:20   (  -0.05, -75.20) (   0.06, -74.64)   63.89                80
 03/08/2020   06:31:55   (   0.05, -75.23) (   0.06, -75.26)    4.02                80
 03/10/2020   18:31:59   (  -0.05, -75.27) (  -0.19, -75.92)   74.50                80
 03/11/2020   18:15:43   (  -0.05, -75.28) (   0.85, -71.35)  449.09                80
 03/13/2020   06:37:14   (   0.05, -75.31) (   0.33, -76.54)  140.31                80
 03/14/2020   06:15:38   (   0.05, -75.33) (  -0.72, -71.97)  383.44                80
 03/15/2020   18:37:17   (  -0.05, -75.36) (  -0.44, -77.20)  209.34                80
 03/16/2020   18:21:01   (  -0.06, -75.38) (   0.55, -72.62)  314.89                80
 03/18/2020   06:42:32   (   0.06, -75.42) (   0.58, -77.82)  273.49                80