Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2025 9 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/12/2025   11:15:54   (   0.41,  61.37) (   0.11,  60.11)  144.76                80
 09/13/2025   10:54:24   (   0.44,  61.37) (   1.18,  64.67)  376.62                80
 09/14/2025   23:18:42   (  -0.39,  61.36) (   0.05,  59.50)  212.78                80
 09/15/2025   22:57:12   (  -0.42,  61.37) (  -1.03,  64.06)  307.31                80
 09/17/2025   11:21:39   (   0.37,  61.38) (  -0.19,  58.85)  288.20                80
 09/18/2025   11:00:10   (   0.41,  61.37) (   0.89,  63.41)  232.89                80
 09/19/2025   23:24:27   (  -0.35,  61.36) (   0.33,  58.24)  354.92                80
 09/20/2025   23:02:57   (  -0.39,  61.36) (  -0.69,  62.82)  165.34                80
 09/22/2025   11:27:24   (   0.32,  61.38) (  -0.52,  57.60)  431.17                80
 09/23/2025   11:05:55   (   0.36,  61.38) (   0.56,  62.16)   89.86                80
 09/24/2025   23:30:11   (  -0.29,  61.36) (   0.71,  57.00)  496.91                80