Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 4 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/30/2023   08:50:32   (   0.01,-104.73) (  -0.61,-102.10)  301.00                80
 05/01/2023   21:13:01   (  -0.01,-104.73) (  -0.67,-107.50)  316.74                80
 05/02/2023   20:57:18   (  -0.01,-104.73) (   0.39,-103.06)  191.48                80
 05/04/2023   09:19:37   (  -0.00,-104.74) (   0.82,-108.43)  420.28                80
 05/05/2023   08:58:34   (  -0.01,-104.74) (  -0.18,-103.97)   87.36                80
 05/07/2023   21:02:40   (   0.02,-104.72) (  -0.01,-104.93)   23.65                80
 05/08/2023   20:46:56   (   0.02,-104.72) (   1.00,-100.48)  484.15                80
 05/10/2023   09:09:16   (  -0.02,-104.72) (   0.21,-105.85)  128.01                80
 05/11/2023   08:48:11   (  -0.01,-104.72) (  -0.75,-101.38)  379.50                80
 05/12/2023   21:10:39   (   0.02,-104.70) (  -0.48,-106.79)  239.62                80
 05/13/2023   20:54:56   (   0.01,-104.69) (   0.54,-102.34)  268.41                80