Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 9 27.  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   (  -0.01,-104.71) (   0.18,-105.47)   86.18                80
 09/29/2023   08:54:55   (  -0.00,-104.72) (  -0.84,-101.01)  422.84                80
 09/30/2023   21:17:21   (  -0.00,-104.69) (  -0.41,-106.40)  195.75                80
 10/01/2023   21:01:37   (  -0.01,-104.69) (   0.61,-101.94)  313.63                80
 10/03/2023   09:23:55   (   0.02,-104.73) (   0.58,-107.31)  293.31                80
 10/04/2023   09:02:50   (   0.02,-104.74) (  -0.38,-102.84)  215.72                80
 10/05/2023   21:25:16   (  -0.02,-104.70) (  -0.84,-108.24)  403.39                80
 10/06/2023   21:09:32   (  -0.02,-104.71) (   0.19,-103.78)  105.76                80
 10/09/2023   09:10:45   (   0.01,-104.75) (  -0.03,-104.69)    8.53                80