Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 3 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/08/2023   21:05:27   (  -0.03,-104.71) (  -0.42,-106.38)  190.33                80
 03/09/2023   20:49:46   (  -0.03,-104.72) (   0.58,-101.93)  318.23                80
 03/11/2023   09:12:09   (   0.03,-104.74) (   0.64,-107.32)  294.85                80
 03/12/2023   08:51:08   (   0.03,-104.75) (  -0.37,-102.87)  213.28                80
 03/13/2023   21:13:39   (  -0.04,-104.77) (  -0.82,-108.30)  402.40                80
 03/14/2023   20:57:57   (  -0.04,-104.78) (   0.20,-103.85)  105.78                80
 03/17/2023   08:59:18   (   0.05,-104.79) (   0.03,-104.79)    1.80                80
 03/19/2023   21:03:26   (  -0.05,-104.81) (  -0.30,-105.75)  107.55                80
 03/20/2023   20:47:45   (  -0.05,-104.83) (   0.74,-101.31)  400.96                80