Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 1 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)
 01/10/2022   18:44:14   (   0.05, -75.20) (   0.18, -74.71)   56.32                80
 01/13/2022   06:48:13   (  -0.04, -75.22) (   0.03, -75.65)   49.18                80
 01/14/2022   06:27:10   (  -0.03, -75.23) (  -0.92, -71.19)  458.98                80
 01/15/2022   18:49:40   (   0.03, -75.24) (  -0.26, -76.63)  157.61                80
 01/16/2022   18:33:56   (   0.02, -75.25) (   0.69, -72.17)  350.88                80
 01/18/2022   06:56:19   (  -0.02, -75.27) (   0.49, -77.57)  261.62                80
 01/19/2022   06:35:16   (  -0.02, -75.29) (  -0.52, -73.13)  246.92                80
 01/20/2022   18:57:46   (   0.03, -75.31) (  -0.70, -78.55)  369.14                80
 01/21/2022   18:42:03   (   0.03, -75.33) (   0.31, -74.10)  139.86                80
 01/23/2022   07:04:24   (  -0.03, -75.36) (   0.93, -79.49)  471.31                80