Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 10 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/04/2023   08:14:25   (  -0.23,  93.47) (  -0.97,  90.14)  379.62                80
 10/05/2023   07:53:24   (  -0.25,  92.41) (   0.23,  94.56)  244.88                80
 10/06/2023   20:18:28   (   0.22,  90.79) (   0.61,  89.11)  191.42                80
 10/07/2023   19:57:27   (   0.24,  89.74) (  -0.60,  93.53)  432.21                80
 10/09/2023   08:22:40   (  -0.21,  88.09) (  -0.20,  88.04)    6.69                80
 10/10/2023   20:45:03   (   0.18,  86.45) (   1.09,  82.60)  439.69                80
 10/11/2023   20:24:03   (   0.21,  85.39) (  -0.18,  87.01)  184.76                80
 10/13/2023   08:49:14   (  -0.18,  83.76) (  -0.71,  81.54)  253.71                80
 10/14/2023   08:28:13   (  -0.20,  82.68) (   0.51,  85.95)  372.33                80
 10/15/2023   20:53:17   (   0.18,  81.03) (   0.32,  80.50)   60.42                80