Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 10 9.  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   08:22:39   (  -0.21,  88.12) (  -0.23,  88.05)    8.53                80
 10/10/2023   20:45:03   (   0.18,  86.50) (   1.05,  82.60)  444.05                80
 10/11/2023   20:24:02   (   0.21,  85.44) (  -0.16,  87.01)  179.71                80
 10/13/2023   08:49:13   (  -0.18,  83.81) (  -0.72,  81.54)  259.06                80
 10/14/2023   08:28:12   (  -0.20,  82.74) (   0.51,  85.96)  366.35                80
 10/15/2023   20:53:16   (   0.18,  81.10) (   0.31,  80.51)   67.98                80
 10/18/2023   08:54:46   (  -0.18,  78.42) (   0.07,  79.45)  116.99                80
 10/19/2023   21:19:49   (   0.15,  76.78) (   0.79,  74.01)  316.44                80
 10/20/2023   20:58:48   (   0.17,  75.73) (  -0.44,  78.42)  307.25                80
 10/22/2023   09:23:59   (  -0.14,  74.12) (  -0.39,  72.94)  133.68                80