Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2025 7 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/11/2025   21:08:57   (   0.07, -89.35) (  -0.18, -90.48)  128.78                80
 07/12/2025   20:52:46   (   0.07, -88.82) (   0.77, -85.88)  335.23                80
 07/14/2025   09:11:42   (  -0.08, -88.00) (   0.61, -91.03)  345.92                80
 07/15/2025   08:55:30   (  -0.08, -87.47) (  -0.34, -86.44)  118.35                80
 07/17/2025   20:55:42   (   0.08, -86.16) (  -0.13, -87.01)   98.50                80
 07/18/2025   20:39:31   (   0.08, -85.63) (   0.81, -82.42)  365.96                80
 07/20/2025   08:58:27   (  -0.09, -84.81) (   0.56, -87.57)  314.71                80
 07/21/2025   08:42:16   (  -0.09, -84.29) (  -0.38, -82.98)  149.57                80
 07/23/2025   20:42:29   (   0.10, -82.98) (  -0.02, -83.57)   67.16                80