Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 10 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/07/2023   19:57:27   (   0.24,  89.76) (  -0.61,  93.53)  429.93                80
 10/09/2023   08:22:39   (  -0.21,  88.12) (  -0.23,  88.05)    8.39                80
 10/10/2023   20:45:03   (   0.18,  86.49) (   1.06,  82.60)  443.52                80
 10/11/2023   20:24:02   (   0.21,  85.43) (  -0.16,  87.01)  180.37                80
 10/13/2023   08:49:14   (  -0.18,  83.80) (  -0.66,  81.53)  258.33                80
 10/14/2023   08:28:12   (  -0.20,  82.73) (   0.51,  85.96)  367.22                80
 10/15/2023   20:53:16   (   0.18,  81.09) (   0.31,  80.51)   66.74                80
 10/18/2023   08:54:46   (  -0.18,  78.41) (   0.07,  79.45)  118.45                80
 10/19/2023   21:19:49   (   0.15,  76.76) (   0.79,  74.01)  314.61                80
 10/20/2023   20:58:48   (   0.17,  75.71) (  -0.45,  78.42)  309.23                80