Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 4 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/08/2023   10:36:32   (   0.15,-130.18) (  -0.18,-128.83)  154.29                80
 04/09/2023   23:01:45   (  -0.13,-130.91) (  -0.91,-134.28)  385.26                80
 04/10/2023   22:40:44   (  -0.14,-131.40) (   0.22,-129.86)  175.98                80
 04/12/2023   11:05:47   (   0.13,-132.19) (   0.83,-135.27)  351.45                80
 04/13/2023   10:44:46   (   0.14,-132.68) (  -0.25,-130.84)  209.33                80
 04/14/2023   23:09:59   (  -0.13,-133.39) (  -0.77,-136.30)  331.61                80
 04/15/2023   22:48:58   (  -0.15,-133.87) (   0.31,-131.86)  229.19                80
 04/17/2023   11:14:01   (   0.13,-134.66) (   0.73,-137.28)  298.57                80
 04/18/2023   10:53:00   (   0.14,-135.15) (  -0.36,-132.84)  262.04                80
 04/19/2023   23:18:12   (  -0.12,-135.85) (  -0.70,-138.29)  279.43                80
 04/20/2023   22:57:11   (  -0.13,-136.33) (   0.45,-133.87)  280.99                80