Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 4 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/14/2023   23:10:00   (  -0.13,-133.41) (  -0.76,-136.30)  329.05                80
 04/15/2023   22:48:58   (  -0.15,-133.90) (   0.32,-131.86)  232.12                80
 04/17/2023   11:14:01   (   0.13,-134.68) (   0.72,-137.28)  296.00                80
 04/18/2023   10:53:00   (   0.14,-135.17) (  -0.36,-132.84)  264.94                80
 04/19/2023   23:18:13   (  -0.12,-135.89) (  -0.65,-138.30)  275.13                80
 04/20/2023   22:57:12   (  -0.14,-136.37) (   0.44,-133.87)  285.62                80
 04/22/2023   11:22:15   (   0.11,-137.15) (   0.59,-139.29)  243.39                80
 04/23/2023   11:01:14   (   0.13,-137.63) (  -0.50,-134.85)  316.84                80
 04/24/2023   23:26:26   (  -0.11,-138.34) (  -0.56,-140.30)  224.59                80
 04/25/2023   23:05:24   (  -0.12,-138.81) (   0.54,-135.87)  335.49                80
 04/27/2023   11:30:28   (   0.10,-139.58) (   0.48,-141.29)  194.48                80