Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 6 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/26/2023   19:04:16   (   0.02, -75.19) (   0.30, -74.00)  136.44                80
 06/28/2023   07:26:37   (  -0.02, -75.19) (   0.93, -79.38)  476.89                80
 06/29/2023   07:05:35   (  -0.02, -75.19) (  -0.08, -74.92)   30.63                80
 07/01/2023   19:09:42   (   0.02, -75.19) (  -0.11, -75.89)   79.50                80
 07/02/2023   18:53:58   (   0.02, -75.18) (   0.85, -71.42)  428.12                80
 07/04/2023   07:13:41   (  -0.02, -75.19) (   0.32, -76.82)  184.97                80
 07/05/2023   06:57:57   (  -0.02, -75.19) (  -0.64, -72.35)  322.96                80
 07/06/2023   19:17:46   (   0.02, -75.19) (  -0.55, -77.77)  293.79                80
 07/07/2023   19:02:04   (   0.02, -75.20) (   0.47, -73.32)  214.79                80
 07/09/2023   07:21:45   (  -0.02, -75.22) (   0.75, -78.70)  396.63                80