Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 1 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/08/2023   19:06:02   (   0.04, -75.20) (  -0.43, -77.26)  234.79                80
 01/09/2023   18:50:23   (   0.04, -75.20) (   0.58, -72.82)  272.07                80
 01/11/2023   07:12:48   (  -0.04, -75.22) (   0.65, -78.22)  342.17                80
 01/12/2023   06:51:48   (  -0.04, -75.23) (  -0.36, -73.78)  164.97                80
 01/13/2023   19:14:24   (   0.04, -75.24) (  -0.83, -79.23)  453.21                80
 01/14/2023   18:58:43   (   0.04, -75.26) (   0.13, -74.78)   54.50                80
 01/17/2023   07:02:49   (  -0.03, -75.30) (   0.09, -75.74)   50.91                80
 01/18/2023   06:41:50   (  -0.02, -75.31) (  -0.93, -71.30)  456.77                80
 01/19/2023   19:04:24   (   0.01, -75.32) (  -0.30, -76.74)  160.81                80
 01/20/2023   18:48:43   (  -0.01, -75.34) (   0.67, -72.29)  347.29                80