Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 6 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/18/2023   07:07:46   (  -0.02, -75.19) (   0.05, -75.61)   46.54                80
 06/19/2023   06:52:03   (  -0.02, -75.19) (  -0.95, -71.15)  460.57                80
 06/20/2023   19:11:52   (   0.03, -75.19) (  -0.28, -76.56)  157.05                80
 06/21/2023   18:56:10   (   0.03, -75.19) (   0.72, -72.11)  350.54                80
 06/23/2023   07:15:52   (  -0.03, -75.19) (   0.47, -77.50)  262.70                80
 06/24/2023   07:00:10   (  -0.03, -75.20) (  -0.54, -73.05)  245.42                80
 06/25/2023   19:19:59   (   0.04, -75.20) (  -0.69, -78.46)  370.71                80
 06/26/2023   19:04:17   (   0.04, -75.21) (   0.32, -74.01)  137.80                80
 06/28/2023   07:23:58   (  -0.04, -75.23) (   0.92, -79.38)  474.38                80
 06/29/2023   07:08:15   (  -0.04, -75.24) (  -0.09, -74.93)   34.36                80
 07/01/2023   19:09:42   (   0.05, -75.26) (  -0.11, -75.89)   72.90                80