Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 2 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/05/2020   06:37:54   (   0.05, -75.20) (   0.43, -76.75)  177.83                80
 02/06/2020   06:16:19   (   0.06, -75.20) (  -0.60, -72.18)  343.81                80
 02/07/2020   18:37:59   (  -0.06, -75.20) (  -0.56, -77.42)  252.66                80
 02/08/2020   18:21:43   (  -0.06, -75.20) (   0.48, -72.84)  269.26                80
 02/10/2020   06:43:14   (   0.07, -75.21) (   0.69, -78.04)  322.04                80
 02/11/2020   06:21:38   (   0.07, -75.22) (  -0.34, -73.46)  200.10                80
 02/12/2020   18:43:18   (  -0.07, -75.23) (  -0.88, -78.69)  395.52                80
 02/13/2020   18:27:02   (  -0.07, -75.24) (   0.15, -74.12)  127.17                80
 02/15/2020   06:48:33   (   0.07, -75.26) (   0.96, -79.32)  462.88                80
 02/16/2020   06:26:57   (   0.07, -75.27) (  -0.01, -74.74)   60.03                80