Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 3 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/03/2020   06:23:56   (   0.05, -75.18) (  -0.19, -73.98)  136.17                80
 03/04/2020   18:45:36   (  -0.06, -75.19) (  -0.94, -79.22)  458.77                80
 03/05/2020   18:29:20   (  -0.06, -75.20) (   0.04, -74.64)   63.91                80
 03/08/2020   06:31:55   (   0.07, -75.22) (   0.09, -75.26)    4.60                80
 03/10/2020   18:31:58   (  -0.07, -75.26) (  -0.22, -75.92)   75.16                80
 03/11/2020   18:15:43   (  -0.07, -75.27) (   0.82, -71.34)  448.29                80
 03/13/2020   06:37:13   (   0.07, -75.30) (   0.36, -76.53)  141.32                80
 03/14/2020   06:15:38   (   0.07, -75.32) (  -0.68, -71.96)  382.31                80
 03/15/2020   18:37:17   (  -0.07, -75.35) (  -0.48, -77.19)  210.69                80
 03/16/2020   18:21:02   (  -0.07, -75.37) (   0.56, -72.62)  313.39                80