Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 10 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/10/2020   06:39:48   (  -0.01, -75.25) (   0.27, -76.57)  151.01                80
 10/11/2020   06:18:11   (  -0.01, -75.26) (  -0.76, -71.99)  372.80                80
 10/12/2020   18:39:50   (   0.01, -75.30) (  -0.43, -77.21)  218.15                80
 10/13/2020   18:23:33   (   0.01, -75.32) (   0.60, -72.63)  306.19                80
 10/15/2020   06:45:02   (  -0.02, -75.34) (   0.55, -77.83)  283.62                80
 10/16/2020   06:23:26   (  -0.01, -75.36) (  -0.48, -73.24)  240.93                80
 10/17/2020   18:45:04   (   0.01, -75.41) (  -0.70, -78.47)  349.20                80
 10/18/2020   18:28:48   (   0.01, -75.43) (   0.33, -73.89)  175.78                80
 10/20/2020   06:50:17   (  -0.01, -75.46) (   0.82, -79.08)  413.05                80
 10/21/2020   06:28:41   (  -0.01, -75.48) (  -0.21, -74.50)  111.85                80
 10/22/2020   18:50:20   (   0.01, -75.54) (  -0.91, -79.73)  477.90                80