Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 10 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/06/2023   20:18:28   (   0.22,  90.80) (   0.60,  89.11)  192.93                80
 10/07/2023   19:57:27   (   0.24,  89.75) (  -0.60,  93.53)  430.29                80
 10/09/2023   08:21:30   (  -0.21,  88.12) (  -0.24,  88.05)    8.03                11
 10/10/2023   20:45:03   (   0.18,  86.48) (   1.06,  82.60)  442.70                80
 10/11/2023   20:24:02   (   0.21,  85.43) (  -0.16,  87.02)  181.34                80
 10/13/2023   08:49:14   (  -0.18,  83.79) (  -0.67,  81.53)  257.21                80
 10/14/2023   08:28:12   (  -0.20,  82.72) (   0.50,  85.96)  368.49                80
 10/15/2023   20:53:16   (   0.18,  81.08) (   0.31,  80.51)   65.14                80
 10/18/2023   08:54:46   (  -0.18,  78.39) (   0.07,  79.45)  120.35                80
 10/19/2023   21:19:49   (   0.15,  76.74) (   0.79,  74.01)  312.38                80