Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2025 9 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/13/2025   10:54:25   (   0.44,  61.36) (   1.21,  64.66)  377.06                80
 09/14/2025   23:18:42   (  -0.39,  61.36) (   0.02,  59.49)  212.59                80
 09/15/2025   22:57:13   (  -0.42,  61.36) (  -1.06,  64.06)  307.56                80
 09/17/2025   11:21:39   (   0.37,  61.37) (  -0.21,  58.85)  287.53                80
 09/18/2025   11:00:10   (   0.41,  61.37) (   0.86,  63.42)  233.63                80
 09/19/2025   23:24:27   (  -0.35,  61.35) (   0.36,  58.25)  354.36                80
 09/20/2025   23:02:57   (  -0.39,  61.36) (  -0.72,  62.81)  165.90                80
 09/22/2025   11:27:24   (   0.32,  61.38) (  -0.55,  57.61)  430.19                80
 09/23/2025   11:05:54   (   0.36,  61.37) (   0.54,  62.17)   90.87                80
 09/24/2025   23:30:11   (  -0.29,  61.35) (   0.68,  57.00)  496.04                80
 09/25/2025   23:08:42   (  -0.33,  61.36) (  -0.40,  61.56)   23.75                80