Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2025 4 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/09/2025   22:54:23   (   0.08,  61.30) (   0.07,  61.37)    7.94                80
 04/12/2025   10:54:46   (  -0.07,  61.35) (  -0.20,  60.70)   74.77                80
 04/13/2025   10:38:38   (  -0.08,  61.36) (   0.81,  65.26)  444.76                80
 04/14/2025   22:57:40   (   0.06,  61.34) (   0.36,  60.06)  146.68                80
 04/15/2025   22:41:31   (   0.07,  61.36) (  -0.66,  64.63)  372.73                80
 04/17/2025   11:00:42   (  -0.05,  61.41) (  -0.52,  59.39)  230.62                80
 04/18/2025   10:44:33   (  -0.06,  61.43) (   0.50,  63.96)  288.16                80
 04/19/2025   23:03:35   (   0.04,  61.42) (   0.64,  58.75)  304.98                80
 04/20/2025   22:47:27   (   0.05,  61.44) (  -0.39,  63.31)  213.91                80
 04/22/2025   11:06:36   (  -0.03,  61.50) (  -0.84,  58.09)  389.56                80