Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2024 9 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/20/2024   21:28:45   (   0.01,-104.70) (   0.60,-102.05)  301.59                80
 09/22/2024   09:50:42   (   0.02,-104.71) (   0.60,-107.33)  298.16                80
 09/23/2024   09:29:25   (   0.01,-104.70) (  -0.44,-102.81)  216.58                80
 09/24/2024   21:51:31   (  -0.01,-104.69) (  -0.79,-108.11)  390.19                80
 09/25/2024   21:35:34   (  -0.01,-104.69) (   0.26,-103.60)  125.03                80
 09/27/2024   09:57:31   (  -0.01,-104.70) (   0.92,-108.87)  474.83                80
 09/28/2024   09:36:13   (  -0.02,-104.70) (  -0.08,-104.35)   40.13                80
 09/30/2024   21:39:40   (   0.01,-104.69) (  -0.11,-105.13)   50.29                80
 10/01/2024   21:23:43   (   0.01,-104.70) (   0.95,-100.62)  465.93                80
 10/03/2024   09:45:39   (  -0.00,-104.72) (   0.27,-105.88)  132.42                80