Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 10 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/02/2023   19:49:12   (   0.26,  95.10) (   0.15,  95.63)   59.55                80
 10/04/2023   08:14:25   (  -0.23,  93.47) (  -0.97,  90.14)  379.45                80
 10/05/2023   07:53:24   (  -0.25,  92.41) (   0.23,  94.56)  245.15                80
 10/06/2023   20:18:28   (   0.22,  90.78) (   0.60,  89.11)  190.79                80
 10/07/2023   19:57:27   (   0.24,  89.73) (  -0.60,  93.53)  432.94                80
 10/09/2023   08:19:59   (  -0.22,  88.09) (  -0.25,  88.05)    5.71                80
 10/10/2023   20:45:03   (   0.18,  86.44) (   1.08,  82.60)  438.63                80
 10/11/2023   20:24:02   (   0.21,  85.38) (  -0.14,  87.02)  185.93                80
 10/13/2023   08:49:14   (  -0.18,  83.74) (  -0.69,  81.53)  252.51                80
 10/14/2023   08:28:13   (  -0.20,  82.67) (   0.53,  85.95)  373.61                80
 10/15/2023   20:53:17   (   0.18,  81.01) (   0.30,  80.50)   58.73                80