Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 10 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/09/2023   08:19:59   (  -0.22,  88.12) (  -0.25,  88.05)    8.80                80
 10/10/2023   20:45:03   (   0.18,  86.49) (   1.07,  82.60)  443.71                80
 10/11/2023   20:24:02   (   0.21,  85.44) (  -0.14,  87.02)  180.12                80
 10/13/2023   08:49:14   (  -0.18,  83.81) (  -0.68,  81.54)  258.64                80
 10/14/2023   08:28:12   (  -0.20,  82.74) (   0.54,  85.95)  366.83                80
 10/15/2023   20:53:16   (   0.18,  81.10) (   0.33,  80.51)   67.29                80
 10/18/2023   08:54:45   (  -0.18,  78.42) (   0.05,  79.45)  117.79                80
 10/19/2023   21:19:50   (   0.15,  76.77) (   0.76,  74.00)  315.39                80
 10/20/2023   20:58:47   (   0.17,  75.72) (  -0.42,  78.43)  308.39                80