Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 10 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/07/2020   18:34:35   (   0.01, -75.24) (  -0.14, -75.97)   82.01                80
 10/08/2020   18:18:19   (   0.00, -75.26) (   0.89, -71.39)  441.52                80
 10/10/2020   06:39:47   (  -0.01, -75.26) (   0.31, -76.57)  149.35                80
 10/11/2020   06:18:11   (  -0.01, -75.27) (  -0.72, -71.98)  374.22                80
 10/12/2020   18:39:50   (   0.01, -75.31) (  -0.41, -77.22)  217.89                80
 10/13/2020   18:23:33   (   0.01, -75.32) (   0.62, -72.64)  306.17                80
 10/15/2020   06:45:03   (  -0.01, -75.34) (   0.52, -77.83)  283.37                80
 10/16/2020   06:23:26   (  -0.01, -75.36) (  -0.51, -73.25)  240.94                80
 10/17/2020   18:45:05   (   0.01, -75.40) (  -0.67, -78.47)  350.35                80
 10/18/2020   18:28:48   (   0.01, -75.42) (   0.36, -73.89)  174.33                80
 10/20/2020   06:50:16   (  -0.01, -75.45) (   0.84, -79.07)  414.22                80