Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 2 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/16/2022   19:01:26   (   0.07, -75.21) (  -0.83, -79.24)  459.21                80
 02/17/2022   18:45:42   (   0.06, -75.21) (   0.14, -74.78)   48.93                80
 02/20/2022   06:49:41   (  -0.06, -75.24) (   0.05, -75.73)   55.77                80
 02/21/2022   06:28:38   (  -0.06, -75.25) (  -0.99, -71.29)  452.49                80
 02/22/2022   18:51:07   (   0.06, -75.27) (  -0.26, -76.70)  163.62                80
 02/23/2022   18:35:23   (   0.06, -75.28) (   0.71, -72.25)  344.94                80
 02/25/2022   06:57:45   (  -0.05, -75.30) (   0.50, -77.64)  267.23                80
 02/26/2022   06:36:42   (  -0.05, -75.31) (  -0.54, -73.20)  241.29                80
 02/27/2022   18:59:10   (   0.04, -75.33) (  -0.71, -78.61)  374.58                80
 02/28/2022   18:43:28   (   0.03, -75.34) (   0.33, -74.17)  134.66                80