Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2025 11 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 11/21/2025   23:35:46   (   0.39,  61.61) (   1.34,  57.37)  483.93                80
 11/22/2025   23:14:15   (   0.35,  61.60) (   0.27,  61.94)   38.49                80
 11/25/2025   11:19:45   (  -0.40,  61.66) (  -0.45,  61.33)   37.41                80
 11/26/2025   10:58:14   (  -0.35,  61.65) (   0.63,  65.90)  485.54                80
 11/27/2025   23:22:29   (   0.43,  61.54) (   0.59,  60.74)   90.83                80
 11/28/2025   23:00:58   (   0.38,  61.54) (  -0.49,  65.32)  431.24                80
 11/30/2025   11:25:19   (  -0.47,  61.62) (  -0.81,  60.14)  168.73                80
 12/01/2025   11:03:48   (  -0.42,  61.61) (   0.27,  64.71)  353.75                80
 12/02/2025   23:28:03   (   0.51,  61.51) (   0.94,  59.55)  222.67                80
 12/03/2025   23:06:31   (   0.47,  61.51) (  -0.15,  64.12)  298.73                80
 12/05/2025   11:30:53   (  -0.55,  61.61) (  -1.15,  58.95)  303.65                80