Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 1 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/26/2022   18:47:29   (   0.06, -75.22) (  -0.09, -76.03)   90.70                80
 01/27/2022   18:31:46   (   0.05, -75.23) (   0.87, -71.57)  417.60                80
 01/29/2022   06:54:08   (  -0.05, -75.24) (   0.31, -76.97)  196.31                80
 01/30/2022   06:33:04   (  -0.05, -75.25) (  -0.64, -72.51)  311.93                80
 01/31/2022   18:55:34   (   0.05, -75.28) (  -0.56, -77.94)  303.52                80
 02/01/2022   18:39:51   (   0.04, -75.29) (   0.46, -73.49)  205.33                80
 02/03/2022   07:02:12   (  -0.04, -75.32) (   0.78, -78.88)  406.85                80
 02/04/2022   06:41:10   (  -0.04, -75.34) (  -0.23, -74.43)  102.43                80
 02/06/2022   18:45:17   (   0.04, -75.40) (   0.06, -75.42)    3.25                80