Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 1 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/09/2023   18:50:23   (   0.04, -75.20) (   0.59, -72.82)  272.07                80
 01/11/2023   07:12:48   (  -0.04, -75.22) (   0.64, -78.22)  342.24                80
 01/12/2023   06:51:49   (  -0.04, -75.23) (  -0.37, -73.78)  164.88                80
 01/13/2023   19:14:23   (   0.04, -75.24) (  -0.88, -79.21)  453.26                80
 01/14/2023   18:58:43   (   0.04, -75.26) (   0.13, -74.78)   54.40                80
 01/17/2023   07:02:49   (  -0.03, -75.29) (   0.08, -75.74)   51.03                80
 01/18/2023   06:41:50   (  -0.02, -75.31) (  -0.93, -71.30)  456.61                80
 01/19/2023   19:04:24   (   0.01, -75.32) (  -0.29, -76.74)  160.95                80
 01/20/2023   18:48:44   (  -0.01, -75.34) (   0.67, -72.29)  347.14                80
 01/22/2023   07:11:09   (   0.02, -75.37) (   0.56, -77.69)  265.22                80