Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 8 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/07/2023   21:11:07   (  -0.02,-104.70) (  -0.25,-105.68)  112.19                80
 08/08/2023   20:55:24   (  -0.02,-104.70) (   0.75,-101.22)  396.02                80
 08/10/2023   09:17:44   (   0.02,-104.73) (   0.42,-106.60)  213.33                80
 08/11/2023   08:56:41   (   0.03,-104.73) (  -0.58,-102.15)  294.60                80
 08/12/2023   21:19:09   (  -0.03,-104.69) (  -0.67,-107.55)  325.49                80
 08/13/2023   21:03:26   (  -0.04,-104.69) (   0.34,-103.09)  182.77                80
 08/15/2023   09:25:45   (   0.04,-104.73) (   0.88,-108.46)  425.80                80
 08/16/2023   09:04:41   (   0.04,-104.73) (  -0.13,-104.01)   82.37                80
 08/18/2023   21:08:46   (  -0.04,-104.70) (  -0.10,-104.96)   29.17                80
 08/19/2023   20:53:03   (  -0.04,-104.71) (   0.92,-100.50)  479.43                80