Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2024 6 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/28/2024   10:38:19   (   0.26,  61.19) (  -0.37,  58.28)  330.92                80
 06/29/2024   10:22:25   (   0.25,  61.18) (   0.60,  62.80)  183.39                80
 06/30/2024   22:41:50   (  -0.28,  61.22) (   0.56,  57.49)  425.87                80
 07/01/2024   22:25:57   (  -0.27,  61.22) (  -0.47,  61.98)   87.79                80
 07/04/2024   10:29:36   (   0.30,  61.18) (   0.31,  61.15)    3.35                80
 07/06/2024   22:30:26   (  -0.31,  61.22) (  -0.13,  60.35)   99.23                80
 07/07/2024   22:14:32   (  -0.30,  61.22) (  -1.11,  64.86)  414.06                80
 07/09/2024   10:34:04   (   0.33,  61.19) (  -0.06,  59.52)  190.33                80
 07/10/2024   10:18:11   (   0.32,  61.19) (   0.98,  64.02)  323.25                80