Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2024 9 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)
 09/20/2024   22:16:45   (   0.29,  61.32) (  -0.58,  65.28)  450.81                80
 09/22/2024   10:38:53   (  -0.26,  61.32) (  -0.54,  59.95)  154.59                80
 09/23/2024   10:22:55   (  -0.28,  61.31) (   0.44,  64.48)  361.70                80
 09/24/2024   22:44:52   (   0.24,  61.30) (   0.75,  59.21)  238.80                80
 09/25/2024   22:23:35   (   0.26,  61.30) (  -0.30,  63.72)  276.44                80
 09/27/2024   10:45:41   (  -0.22,  61.32) (  -0.91,  58.42)  331.21                80
 09/28/2024   10:29:44   (  -0.23,  61.31) (   0.14,  62.93)  184.96                80
 09/29/2024   22:51:41   (   0.20,  61.29) (   1.03,  57.66)  413.80                80
 09/30/2024   22:30:22   (   0.22,  61.29) (   0.03,  62.18)  101.63                80
 10/03/2024   10:36:30   (  -0.20,  61.32) (  -0.19,  61.40)    8.79                80