Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 10 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/18/2023   08:54:46   (  -0.18,  78.46) (   0.06,  79.45)  113.90                80
 10/19/2023   21:19:49   (   0.15,  76.82) (   0.80,  74.01)  320.17                80
 10/20/2023   20:58:47   (   0.17,  75.77) (  -0.44,  78.42)  303.13                80
 10/22/2023   09:23:59   (  -0.14,  74.17) (  -0.40,  72.95)  138.37                80
 10/23/2023   09:02:56   (  -0.16,  73.11) (   0.79,  77.37)  486.28                80
 10/24/2023   21:25:19   (   0.13,  71.46) (   0.05,  71.93)   52.57                80
 10/26/2023   09:50:31   (  -0.10,  69.87) (  -0.87,  66.45)  389.88                80
 10/27/2023   09:29:28   (  -0.13,  68.81) (   0.33,  70.87)  235.15                80
 10/28/2023   21:54:32   (   0.10,  67.15) (   0.51,  65.43)  196.74                80