Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 4 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/12/2023   11:05:48   (   0.13,-132.20) (   0.81,-135.27)  350.76                80
 04/13/2023   10:44:46   (   0.14,-132.68) (  -0.27,-130.84)  210.23                80
 04/14/2023   23:10:00   (  -0.13,-133.40) (  -0.76,-136.30)  329.61                80
 04/15/2023   22:48:58   (  -0.15,-133.89) (   0.32,-131.86)  231.46                80
 04/17/2023   11:14:01   (   0.13,-134.68) (   0.72,-137.28)  296.63                80
 04/18/2023   10:53:00   (   0.14,-135.16) (  -0.37,-132.85)  264.19                80
 04/19/2023   23:18:13   (  -0.12,-135.88) (  -0.65,-138.31)  276.26                80
 04/20/2023   22:57:12   (  -0.13,-136.36) (   0.45,-133.87)  284.40                80
 04/22/2023   11:22:15   (   0.11,-137.14) (   0.58,-139.29)  244.60                80
 04/23/2023   11:01:14   (   0.13,-137.62) (  -0.51,-134.86)  315.54                80
 04/24/2023   23:26:26   (  -0.11,-138.32) (  -0.55,-140.31)  226.25                80