Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 4 14.  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)  328.97                80
 04/15/2023   22:48:58   (  -0.15,-133.90) (   0.32,-131.86)  232.23                80
 04/17/2023   11:14:01   (   0.13,-134.68) (   0.71,-137.28)  295.88                80
 04/18/2023   10:53:00   (   0.14,-135.17) (  -0.37,-132.84)  265.08                80
 04/19/2023   23:18:13   (  -0.12,-135.89) (  -0.64,-138.31)  274.92                80
 04/20/2023   22:57:12   (  -0.14,-136.37) (   0.45,-133.87)  285.87                80
 04/22/2023   11:22:15   (   0.12,-137.15) (   0.57,-139.29)  243.15                80
 04/23/2023   11:01:14   (   0.13,-137.63) (  -0.52,-134.86)  317.15                80
 04/24/2023   23:26:26   (  -0.11,-138.34) (  -0.54,-140.31)  224.21                80
 04/25/2023   23:05:24   (  -0.12,-138.82) (   0.56,-135.87)  335.90                80
 04/27/2023   11:30:27   (   0.10,-139.58) (   0.51,-141.28)  194.06                80
 04/28/2023   11:09:25   (   0.12,-140.06) (  -0.59,-136.85)  365.79                80