Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 4 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/24/2023   23:26:25   (  -0.11,-138.33) (  -0.55,-140.30)  224.09                80
 04/25/2023   23:05:24   (  -0.13,-138.81) (   0.56,-135.87)  335.83                80
 04/27/2023   11:30:26   (   0.11,-139.57) (   0.50,-141.27)  194.30                80
 04/28/2023   11:09:25   (   0.12,-140.05) (  -0.61,-136.84)  365.41                80
 04/29/2023   23:34:36   (  -0.10,-140.74) (  -0.48,-142.28)  176.97                80
 04/30/2023   23:13:34   (  -0.12,-141.21) (   0.64,-137.86)  382.63                80
 05/02/2023   11:38:37   (   0.10,-141.97) (   0.39,-143.27)  148.17                80
 05/03/2023   11:17:34   (   0.11,-142.44) (  -0.67,-138.83)  411.04                80
 05/04/2023   23:42:46   (  -0.08,-143.12) (  -0.34,-144.28)  132.50                80
 05/05/2023   23:21:44   (  -0.10,-143.58) (   0.74,-139.84)  426.15                80
 05/07/2023   11:46:46   (   0.07,-144.32) (   0.28,-145.26)  106.49                80