Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 4 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/01/2022   18:55:00   (   0.05, -75.21) (  -0.29, -76.69)  168.68                80
 04/02/2022   18:35:06   (   0.05, -75.22) (   0.71, -72.24)  339.06                10
 04/04/2022   06:58:56   (  -0.05, -75.22) (   0.51, -77.62)  274.08                80
 04/05/2022   06:37:52   (  -0.05, -75.22) (  -0.49, -73.17)  233.79                80
 04/06/2022   19:03:02   (   0.05, -75.23) (  -0.73, -78.59)  382.97                80
 04/07/2022   18:44:38   (   0.05, -75.24) (   0.27, -74.14)  125.32                80
 04/09/2022   07:06:57   (  -0.04, -75.25) (   0.94, -79.52)  486.79                80
 04/10/2022   06:45:54   (  -0.04, -75.26) (  -0.06, -75.07)   21.77                80
 04/12/2022   18:52:40   (   0.03, -75.29) (  -0.15, -76.04)   85.34                80
 04/13/2022   18:31:36   (   0.03, -75.31) (   0.85, -71.59)  423.80                80