Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2025 11 20.  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   23:35:45   (   0.39,  61.61) (   1.39,  57.38)  483.99                80
 11/22/2025   23:14:15   (   0.35,  61.61) (   0.25,  61.94)   38.46                80
 11/25/2025   11:19:45   (  -0.40,  61.66) (  -0.49,  61.34)   37.62                80
 11/26/2025   10:58:14   (  -0.35,  61.65) (   0.65,  65.90)  485.30                80
 11/27/2025   23:22:29   (   0.43,  61.55) (   0.64,  60.75)   91.13                80
 11/28/2025   23:00:58   (   0.38,  61.54) (  -0.50,  65.31)  430.91                80
 11/30/2025   11:25:19   (  -0.47,  61.62) (  -0.80,  60.14)  169.14                80
 12/01/2025   11:03:48   (  -0.42,  61.61) (   0.28,  64.71)  353.29                80
 12/02/2025   23:28:03   (   0.51,  61.51) (   0.93,  59.55)  223.19                80
 12/03/2025   23:06:32   (   0.47,  61.51) (  -0.15,  64.12)  298.19                80