Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 4 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/03/2023   08:46:57   (  -0.01,-104.75) (  -0.72,-101.59)  360.71                80
 04/04/2023   21:09:27   (   0.01,-104.75) (  -0.49,-107.01)  257.15                80
 04/05/2023   20:53:45   (   0.00,-104.75) (   0.52,-102.56)  250.42                80
 04/07/2023   09:16:05   (  -0.00,-104.75) (   0.73,-107.93)  362.88                80
 04/08/2023   08:55:03   (  -0.00,-104.75) (  -0.29,-103.48)  144.28                80
 04/09/2023   21:17:32   (   0.00,-104.73) (  -0.97,-108.89)  474.48                80
 04/10/2023   21:01:49   (   0.00,-104.73) (   0.05,-104.44)   32.62                80
 04/13/2023   09:05:47   (   0.00,-104.71) (   0.15,-105.37)   74.26                80
 04/14/2023   08:44:45   (   0.00,-104.71) (  -0.88,-100.92)  432.48                80
 04/15/2023   21:07:14   (   0.00,-104.69) (  -0.36,-106.33)  186.70                80
 04/16/2023   20:51:31   (   0.00,-104.69) (   0.62,-101.87)  320.61                80