Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2021 2 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/26/2021   18:42:38   (   0.02, -75.20) (  -0.40, -77.22)  230.29                80
 02/27/2021   18:26:20   (   0.02, -75.20) (   0.61, -72.63)  292.86                80
 03/01/2021   06:47:47   (  -0.01, -75.21) (   0.58, -77.80)  296.41                80
 03/02/2021   06:26:11   (  -0.02, -75.21) (  -0.49, -73.23)  226.54                80
 03/03/2021   18:47:48   (   0.02, -75.21) (  -0.68, -78.44)  368.12                80
 03/04/2021   18:31:31   (   0.02, -75.22) (   0.33, -73.85)  155.30                80
 03/06/2021   06:52:58   (  -0.01, -75.23) (   0.86, -79.03)  432.99                80
 03/07/2021   06:31:22   (  -0.01, -75.24) (  -0.21, -74.45)   90.53                80
 03/09/2021   18:36:41   (  -0.00, -75.25) (   0.01, -75.07)   20.71                80