Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 4 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/25/2023   07:00:43   (  -0.03, -75.19) (  -0.14, -74.64)   62.16                80
 04/27/2023   19:07:29   (   0.02, -75.18) (  -0.07, -75.60)   47.47                80
 04/28/2023   18:46:25   (   0.02, -75.19) (   0.93, -71.14)  460.80                80
 04/30/2023   07:11:25   (  -0.01, -75.20) (   0.26, -76.52)  150.01                80
 05/01/2023   06:50:20   (  -0.02, -75.20) (  -0.70, -72.05)  358.81                80
 05/02/2023   19:15:29   (   0.01, -75.21) (  -0.52, -77.46)  257.01                80
 05/03/2023   18:54:25   (   0.01, -75.22) (   0.52, -73.01)  252.20                80
 05/05/2023   07:19:23   (  -0.01, -75.24) (   0.70, -78.38)  357.48                80
 05/06/2023   06:58:19   (  -0.01, -75.25) (  -0.29, -73.91)  151.87                80
 05/07/2023   19:23:27   (   0.01, -75.26) (  -0.89, -79.33)  463.42                80
 05/08/2023   19:02:23   (   0.01, -75.27) (   0.12, -74.87)   46.06                80