Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2025 3 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)
 03/14/2025   22:43:12   (   0.09,  61.25) (  -0.41,  63.44)  249.82                80
 03/16/2025   11:05:03   (  -0.09,  61.31) (  -0.83,  58.20)  355.46                80
 03/17/2025   10:43:37   (  -0.09,  61.31) (   0.22,  62.76)  164.47                80
 03/18/2025   23:05:22   (   0.09,  61.24) (   0.91,  57.53)  422.38                80
 03/19/2025   22:49:14   (   0.09,  61.24) (  -0.09,  62.10)   97.41                80
 03/22/2025   10:49:39   (  -0.09,  61.33) (  -0.06,  61.42)   10.64                80
 03/24/2025   22:52:36   (   0.10,  61.28) (   0.23,  60.77)   58.53                80
 03/25/2025   22:36:30   (   0.10,  61.29) (  -0.84,  65.32)  460.70                80
 03/27/2025   10:58:20   (  -0.10,  61.37) (  -0.40,  60.09)  145.80                80
 03/28/2025   10:36:53   (  -0.10,  61.38) (   0.61,  64.65)  373.05                80