Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 9 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/28/2023   09:15:59   (  -0.00,-104.71) (   0.18,-105.47)   86.26                80
 09/29/2023   08:54:55   (  -0.00,-104.71) (  -0.83,-101.01)  422.65                80
 09/30/2023   21:17:21   (   0.00,-104.69) (  -0.41,-106.40)  195.98                80
 10/01/2023   21:01:37   (  -0.00,-104.69) (   0.60,-101.94)  313.25                80
 10/03/2023   09:23:55   (   0.00,-104.73) (   0.59,-107.31)  294.06                80
 10/04/2023   09:02:51   (   0.00,-104.73) (  -0.43,-102.85)  214.81                80
 10/05/2023   21:25:17   (  -0.00,-104.70) (  -0.79,-108.25)  404.31                80
 10/06/2023   21:09:33   (   0.00,-104.70) (   0.23,-103.79)  104.81                80
 10/09/2023   09:10:45   (  -0.00,-104.75) (  -0.01,-104.69)    7.04                80
 10/11/2023   21:14:46   (  -0.00,-104.72) (  -0.21,-105.62)  102.14                80