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

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/04/2025   22:48:26   (   0.08,  61.27) (  -0.24,  62.68)  160.94                80
 04/06/2025   11:07:36   (  -0.07,  61.33) (  -0.97,  57.45)  442.27                80
 04/07/2025   10:51:29   (  -0.08,  61.33) (   0.09,  62.01)   77.43                80
 04/09/2025   22:54:24   (   0.08,  61.31) (   0.04,  61.37)    7.65                80
 04/12/2025   10:54:46   (  -0.07,  61.36) (  -0.23,  60.70)   75.70                80
 04/13/2025   10:38:37   (  -0.08,  61.37) (   0.78,  65.27)  443.76                80
 04/14/2025   22:57:39   (   0.06,  61.35) (   0.38,  60.06)  147.46                80
 04/15/2025   22:41:32   (   0.07,  61.36) (  -0.70,  64.62)  371.96                80
 04/17/2025   11:00:41   (  -0.05,  61.42) (  -0.53,  59.39)  231.74                80
 04/18/2025   10:44:34   (  -0.06,  61.44) (   0.55,  63.95)  287.01                80