Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2025 4 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/04/2025   21:55:01   (   0.02,-104.40) (  -0.02,-104.59)   20.79                80
 04/05/2025   21:38:54   (   0.02,-104.40) (   1.03,-100.03)  499.40                80
 04/07/2025   10:00:36   (  -0.01,-104.39) (   0.17,-105.23)   95.54                80
 04/08/2025   09:39:07   (  -0.01,-104.39) (  -0.83,-100.66)  424.77                80
 04/09/2025   22:00:58   (   0.00,-104.40) (  -0.36,-105.89)  170.47                80
 04/10/2025   21:44:50   (   0.00,-104.41) (   0.70,-101.34)  350.31                80
 04/12/2025   10:06:32   (  -0.00,-104.40) (   0.48,-106.54)  243.56                80
 04/13/2025   09:45:04   (  -0.01,-104.40) (  -0.54,-101.97)  276.95                80
 04/14/2025   22:06:54   (   0.01,-104.42) (  -0.65,-107.21)  318.73                80
 04/15/2025   21:50:47   (   0.01,-104.42) (   0.43,-102.65)  201.93                80
 04/17/2025   10:12:28   (  -0.00,-104.41) (   0.78,-107.85)  391.77                80
 04/18/2025   09:51:00   (  -0.01,-104.41) (  -0.24,-103.28)  128.52                80