Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 5 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/05/2022   10:49:39   (  -0.02,-137.18) (  -0.32,-135.82)  154.46                80
 05/06/2022   23:14:47   (   0.01,-137.16) (  -0.89,-141.24)  465.10                80
 05/07/2022   22:53:42   (   0.01,-137.14) (   0.08,-136.78)   41.37                80
 05/10/2022   11:00:17   (  -0.01,-137.11) (   0.14,-137.70)   67.27                80
 05/11/2022   10:39:14   (  -0.01,-137.10) (  -0.89,-133.25)  438.81                80
 05/12/2022   23:04:21   (   0.01,-137.07) (  -0.35,-138.66)  181.73                80
 05/13/2022   22:43:17   (   0.01,-137.05) (   0.63,-134.20)  323.97                80
 05/15/2022   11:08:16   (  -0.01,-137.02) (   0.58,-139.58)  292.41                80
 05/16/2022   10:47:11   (  -0.01,-137.00) (  -0.40,-135.12)  212.64                80
 05/17/2022   23:09:39   (   0.01,-136.95) (  -0.82,-140.54)  409.69                80
 05/18/2022   22:53:55   (   0.01,-136.92) (   0.22,-136.09)   94.86                80