Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2025 5 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)
 05/14/2025   10:55:12   (   0.06,  61.70) (   0.12,  62.04)   38.25                80
 05/16/2025   22:55:23   (  -0.07,  61.76) (   0.02,  61.41)   40.64                80
 05/17/2025   22:39:14   (  -0.06,  61.79) (  -1.05,  65.97)  478.12                80
 05/19/2025   10:58:23   (   0.08,  61.81) (  -0.16,  60.74)  121.63                80
 05/20/2025   10:42:14   (   0.07,  61.84) (   0.86,  65.32)  396.87                80
 05/21/2025   23:01:14   (  -0.10,  61.89) (   0.29,  60.12)  201.57                80
 05/22/2025   22:45:05   (  -0.09,  61.92) (  -0.73,  64.69)  316.85                80
 05/24/2025   11:04:14   (   0.11,  61.94) (  -0.46,  59.46)  283.36                80
 05/25/2025   10:48:05   (   0.11,  61.97) (   0.56,  64.03)  234.46                80
 05/26/2025   23:07:05   (  -0.14,  62.04) (   0.58,  58.83)  365.61                80