Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 9 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/15/2023   19:11:45   (  -0.05, -75.21) (  -0.08, -75.28)    8.32                80
 09/18/2023   07:15:39   (   0.05, -75.22) (   0.30, -76.18)  111.01                80
 09/19/2023   06:59:55   (   0.05, -75.22) (  -0.75, -71.73)  398.07                80
 09/20/2023   19:19:42   (  -0.04, -75.23) (  -0.48, -77.13)  216.75                80
 09/21/2023   19:03:58   (  -0.04, -75.24) (   0.52, -72.67)  292.33                80
 09/23/2023   07:23:36   (   0.04, -75.24) (   0.68, -78.04)  319.27                80
 09/24/2023   07:05:12   (   0.03, -75.25) (  -0.32, -73.58)  189.81                80
 09/25/2023   19:27:39   (  -0.02, -75.26) (  -0.89, -78.98)  424.74                80
 09/26/2023   19:11:55   (  -0.02, -75.27) (   0.12, -74.52)   84.99                80