Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 3 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/10/2020   18:31:58   (  -0.04, -75.18) (  -0.22, -75.91)   83.59                80
 03/11/2020   18:15:43   (  -0.04, -75.19) (   0.82, -71.34)  438.32                80
 03/13/2020   06:37:13   (   0.04, -75.19) (   0.36, -76.53)  153.98                80
 03/14/2020   06:15:38   (   0.04, -75.19) (  -0.69, -71.96)  368.06                80
 03/15/2020   18:37:17   (  -0.04, -75.20) (  -0.48, -77.19)  227.07                80
 03/16/2020   18:21:00   (  -0.05, -75.20) (   0.51, -72.61)  295.45                80
 03/18/2020   06:42:32   (   0.05, -75.21) (   0.61, -77.81)  295.84                80
 03/19/2020   06:20:55   (   0.05, -75.22) (  -0.37, -73.23)  226.93                80
 03/20/2020   18:42:35   (  -0.05, -75.24) (  -0.78, -78.46)  367.16                80
 03/21/2020   18:26:19   (  -0.05, -75.26) (   0.27, -73.89)  156.24                80
 03/23/2020   06:47:49   (   0.05, -75.28) (   0.92, -79.08)  433.45                80