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

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/10/2023   20:45:03   (   0.18,  86.50) (   1.07,  82.60)  444.18                80
 10/11/2023   20:24:01   (   0.21,  85.44) (  -0.14,  87.02)  179.51                80
 10/13/2023   08:49:14   (  -0.18,  83.81) (  -0.68,  81.54)  259.40                80
 10/14/2023   08:28:12   (  -0.20,  82.75) (   0.55,  85.95)  365.94                80
 10/15/2023   20:53:16   (   0.18,  81.11) (   0.32,  80.51)   68.42                80
 10/18/2023   08:54:45   (  -0.18,  78.43) (   0.06,  79.45)  116.33                80
 10/19/2023   21:19:49   (   0.15,  76.79) (   0.80,  74.01)  317.11                80
 10/20/2023   20:58:47   (   0.17,  75.74) (  -0.44,  78.42)  306.55                80
 10/22/2023   09:23:59   (  -0.14,  74.13) (  -0.39,  72.95)  134.53                80
 10/23/2023   09:02:56   (  -0.16,  73.07) (   0.80,  77.37)  490.46                80