Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 6 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/23/2023   07:15:51   (  -0.03, -75.19) (   0.51, -77.49)  262.36                80
 06/24/2023   07:00:09   (  -0.03, -75.20) (  -0.49, -73.04)  245.78                80
 06/25/2023   19:19:58   (   0.03, -75.21) (  -0.73, -78.45)  370.31                80
 06/26/2023   19:04:16   (   0.03, -75.21) (   0.28, -74.00)  138.24                80
 06/28/2023   07:23:58   (  -0.04, -75.23) (   0.90, -79.38)  474.02                80
 06/29/2023   07:08:16   (  -0.04, -75.24) (  -0.11, -74.93)   34.57                80
 07/01/2023   19:09:42   (   0.05, -75.26) (  -0.09, -75.90)   72.49                80
 07/02/2023   18:54:00   (   0.05, -75.27) (   0.93, -71.45)  436.14                80
 07/04/2023   07:13:41   (  -0.05, -75.28) (   0.31, -76.82)  175.95                80
 07/05/2023   06:57:59   (  -0.05, -75.29) (  -0.71, -72.37)  332.99                80