Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 10 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/03/2022   11:08:46   (   0.05,-137.34) (   0.41,-139.04)  193.63                80
 10/04/2022   10:53:01   (   0.04,-137.33) (  -0.60,-134.58)  314.74                80
 10/05/2022   23:12:45   (  -0.03,-137.32) (  -0.64,-139.97)  302.70                80
 10/06/2022   22:57:00   (  -0.03,-137.32) (   0.37,-135.51)  205.64                80
 10/08/2022   11:16:37   (   0.03,-137.32) (   0.84,-140.88)  406.17                80
 10/09/2022   11:00:52   (   0.03,-137.32) (  -0.17,-136.42)  102.12                80
 10/11/2022   23:02:10   (  -0.03,-137.30) (  -0.05,-137.36)    7.47                80
 10/14/2022   11:06:02   (   0.03,-137.28) (   0.24,-138.27)  112.81                80
 10/15/2022   10:50:17   (   0.03,-137.27) (  -0.78,-133.81)  394.47                80
 10/16/2022   23:10:01   (  -0.02,-137.23) (  -0.44,-139.21)  224.75                80