Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 5 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/02/2023   19:15:31   (   0.01, -75.20) (  -0.53, -77.47)  259.77                80
 05/03/2023   18:54:29   (   0.02, -75.21) (   0.53, -73.03)  249.02                80
 05/05/2023   07:19:28   (  -0.01, -75.22) (   0.68, -78.40)  361.69                80
 05/06/2023   06:58:24   (  -0.02, -75.23) (  -0.32, -73.94)  147.09                80
 05/07/2023   19:23:33   (   0.01, -75.24) (  -0.94, -79.34)  468.83                80
 05/08/2023   19:02:29   (   0.01, -75.25) (   0.08, -74.89)   40.09                80
 05/11/2023   07:09:05   (  -0.01, -75.27) (   0.12, -75.81)   61.30                80
 05/12/2023   06:48:02   (  -0.01, -75.28) (  -0.90, -71.35)  448.01                80
 05/13/2023   19:13:10   (   0.00, -75.30) (  -0.33, -76.76)  166.69                80
 05/14/2023   18:52:07   (   0.00, -75.32) (   0.69, -72.31)  343.31                80