Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 6 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/28/2023   07:26:37   (  -0.02, -75.20) (   0.93, -79.37)  476.38                80
 06/29/2023   07:05:35   (  -0.02, -75.20) (  -0.08, -74.92)   31.31                80
 07/01/2023   19:09:42   (   0.02, -75.20) (  -0.12, -75.89)   78.39                80
 07/02/2023   18:53:59   (   0.02, -75.20) (   0.90, -71.44)  429.40                80
 07/04/2023   07:13:41   (  -0.02, -75.20) (   0.33, -76.81)  183.36                80
 07/05/2023   06:57:58   (  -0.02, -75.21) (  -0.69, -72.36)  324.74                80
 07/06/2023   19:17:46   (   0.02, -75.21) (  -0.57, -77.76)  291.81                80
 07/07/2023   19:02:04   (   0.02, -75.22) (   0.45, -73.32)  216.94                80
 07/09/2023   07:21:45   (  -0.02, -75.24) (   0.77, -78.69)  394.13                80
 07/10/2023   07:06:03   (  -0.02, -75.25) (  -0.26, -74.24)  115.05                80