Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 10 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/01/2022   22:49:09   (  -0.06,-137.32) (   0.78,-133.67)  416.68                80
 10/03/2022   11:08:46   (   0.05,-137.30) (   0.43,-139.04)  197.41                80
 10/04/2022   10:53:00   (   0.04,-137.29) (  -0.57,-134.58)  309.41                80
 10/05/2022   23:12:45   (  -0.03,-137.25) (  -0.67,-139.97)  310.12                80
 10/06/2022   22:56:59   (  -0.03,-137.24) (   0.34,-135.51)  196.74                80
 10/08/2022   11:16:37   (   0.03,-137.22) (   0.87,-140.88)  417.63                80
 10/09/2022   11:00:51   (   0.03,-137.20) (  -0.14,-136.42)   89.15                80
 10/11/2022   23:02:10   (  -0.03,-137.15) (  -0.08,-137.36)   24.06                80
 10/12/2022   22:46:24   (  -0.03,-137.12) (   0.93,-132.90)  482.21                80
 10/14/2022   11:06:02   (   0.03,-137.09) (   0.28,-138.27)  133.43                80