Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 4 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/07/2023   10:57:32   (   0.14,-129.69) (   0.97,-133.25)  407.33                80
 04/08/2023   10:36:32   (   0.15,-130.18) (  -0.16,-128.83)  154.29                80
 04/09/2023   23:01:44   (  -0.13,-130.90) (  -0.93,-134.28)  385.52                80
 04/10/2023   22:40:44   (  -0.14,-131.39) (   0.21,-129.85)  175.68                80
 04/12/2023   11:05:47   (   0.13,-132.19) (   0.85,-135.27)  351.63                80
 04/13/2023   10:44:47   (   0.14,-132.68) (  -0.29,-130.85)  209.12                80
 04/14/2023   23:09:59   (  -0.13,-133.38) (  -0.78,-136.29)  332.06                80
 04/15/2023   22:48:57   (  -0.15,-133.87) (   0.30,-131.86)  228.69                80
 04/17/2023   11:14:01   (   0.13,-134.66) (   0.73,-137.28)  298.96                80
 04/18/2023   10:52:59   (   0.14,-135.14) (  -0.36,-132.84)  261.63                80
 04/19/2023   23:18:12   (  -0.12,-135.84) (  -0.70,-138.29)  280.07                80
 04/20/2023   22:57:10   (  -0.13,-136.33) (   0.39,-133.86)  280.31                80