Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 11 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 11/05/2023   07:34:03   (   0.01, -75.21) (   0.91, -79.26)  462.04                80
 11/06/2023   07:12:57   (   0.01, -75.21) (  -0.06, -74.79)   47.95                80
 11/08/2023   19:16:56   (  -0.01, -75.24) (  -0.10, -75.72)   53.97                80
 11/09/2023   19:01:09   (  -0.01, -75.25) (   0.88, -71.24)  456.84                80
 11/11/2023   07:23:26   (   0.01, -75.27) (   0.34, -76.60)  152.35                80
 11/12/2023   07:02:20   (   0.01, -75.28) (  -0.71, -72.14)  358.55                80
 11/13/2023   19:24:43   (  -0.01, -75.30) (  -0.53, -77.52)  253.07                80
 11/14/2023   19:08:58   (  -0.01, -75.32) (   0.52, -73.06)  258.02                80
 11/16/2023   07:31:14   (   0.01, -75.34) (   0.68, -78.42)  350.54                80
 11/17/2023   07:10:08   (   0.01, -75.35) (  -0.31, -73.94)  160.37                80