Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 8 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/27/2022   10:53:10   (   0.07,-137.32) (  -0.46,-134.98)  266.96                80
 08/28/2022   23:12:56   (  -0.07,-137.32) (  -0.77,-140.38)  349.72                80
 08/29/2022   22:57:12   (  -0.07,-137.32) (   0.27,-135.93)  158.70                80
 08/31/2022   11:16:48   (   0.07,-137.32) (   0.97,-141.30)  453.68                80
 09/01/2022   11:01:03   (   0.07,-137.31) (  -0.07,-136.84)   54.26                80
 09/03/2022   23:02:24   (  -0.06,-137.29) (  -0.17,-137.79)   56.92                80
 09/04/2022   22:46:39   (  -0.06,-137.27) (   0.82,-133.33)  449.94                80
 09/06/2022   11:06:16   (   0.05,-137.25) (   0.38,-138.70)  164.90                80
 09/07/2022   10:50:31   (   0.05,-137.24) (  -0.61,-134.24)  341.55                80
 09/08/2022   23:10:17   (  -0.04,-137.21) (  -0.60,-139.65)  278.21                80