Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2024 5 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)
 05/08/2024   21:34:26   (   0.00,-104.70) (  -0.47,-106.74)  232.93                80
 05/09/2024   21:18:34   (   0.00,-104.70) (   0.57,-102.25)  279.37                80
 05/11/2024   09:40:41   (  -0.00,-104.71) (   0.64,-107.56)  325.14                80
 05/12/2024   09:19:29   (  -0.01,-104.71) (  -0.40,-103.07)  187.21                80
 05/13/2024   21:41:44   (   0.01,-104.70) (  -0.85,-108.41)  423.69                80
 05/14/2024   21:25:53   (   0.01,-104.70) (   0.19,-103.92)   89.00                80
 05/17/2024   09:29:27   (  -0.00,-104.72) (   0.02,-104.73)    2.96                80
 05/19/2024   21:33:11   (   0.00,-104.72) (  -0.21,-105.59)   99.06                80
 05/20/2024   21:14:39   (   0.01,-104.73) (   0.85,-101.10)  413.86                80