Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 9 26.  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   09:16:00   (  -0.02,-104.71) (   0.17,-105.47)   86.52                80
 09/29/2023   08:54:55   (  -0.01,-104.72) (  -0.84,-101.01)  422.50                80
 09/30/2023   21:17:22   (   0.00,-104.69) (  -0.40,-106.40)  196.12                80
 10/01/2023   21:01:37   (  -0.01,-104.69) (   0.62,-101.94)  313.48                80
 10/03/2023   09:23:54   (   0.03,-104.73) (   0.63,-107.30)  293.31                80
 10/04/2023   09:02:50   (   0.03,-104.73) (  -0.39,-102.84)  215.56                80
 10/05/2023   21:25:16   (  -0.03,-104.70) (  -0.83,-108.24)  403.64                80
 10/06/2023   21:09:32   (  -0.02,-104.70) (   0.20,-103.78)  105.46                80
 10/09/2023   09:10:45   (   0.02,-104.75) (   0.02,-104.68)    8.02                80