Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 9 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/06/2023   09:20:58   (  -0.01,-104.72) (   0.51,-106.99)  260.11                80
 09/07/2023   08:59:54   (  -0.01,-104.71) (  -0.52,-102.54)  247.91                80
 09/08/2023   21:22:23   (   0.02,-104.68) (  -0.69,-107.95)  371.81                80
 09/09/2023   21:06:38   (   0.02,-104.68) (   0.29,-103.49)  136.56                80
 09/11/2023   09:28:57   (  -0.02,-104.72) (   0.93,-108.85)  471.98                80
 09/12/2023   09:07:53   (  -0.02,-104.72) (  -0.10,-104.40)   36.37                80
 09/14/2023   21:11:57   (   0.03,-104.69) (  -0.11,-105.34)   74.25                80
 09/15/2023   20:56:12   (   0.03,-104.69) (   0.88,-100.88)  434.63                80
 09/17/2023   09:18:31   (  -0.03,-104.73) (   0.34,-106.25)  173.24                80
 09/18/2023   08:57:27   (  -0.03,-104.73) (  -0.70,-101.80)  335.31                80