Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2025 3 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/30/2025   22:42:28   (   0.09,  61.25) (  -0.55,  64.00)  313.99                80
 04/01/2025   11:04:18   (  -0.08,  61.31) (  -0.66,  58.77)  289.73                80
 04/02/2025   10:42:51   (  -0.09,  61.32) (   0.38,  63.33)  229.77                80
 04/03/2025   23:04:34   (   0.07,  61.28) (   0.78,  58.12)  360.15                80
 04/04/2025   22:48:27   (   0.08,  61.29) (  -0.26,  62.68)  159.54                80
 04/06/2025   11:07:37   (  -0.07,  61.34) (  -0.94,  57.44)  444.24                80
 04/07/2025   10:48:49   (  -0.08,  61.35) (   0.05,  62.02)   75.24                80
 04/09/2025   22:54:23   (   0.08,  61.33) (   0.08,  61.37)    4.92                80
 04/12/2025   10:57:26   (  -0.07,  61.39) (  -0.21,  60.69)   79.10                80
 04/13/2025   10:38:38   (  -0.08,  61.40) (   0.80,  65.26)  440.15                80