Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2025 7 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/17/2025   10:49:49   (   0.41,  61.28) (   1.24,  64.90)  413.54                80
 07/18/2025   23:11:28   (  -0.43,  61.33) (  -0.05,  59.71)  184.58                80
 07/19/2025   22:49:59   (  -0.43,  61.34) (  -1.11,  64.28)  335.77                80
 07/21/2025   11:11:46   (   0.44,  61.31) (  -0.06,  59.06)  256.69                80
 07/22/2025   10:55:35   (   0.44,  61.32) (   0.95,  63.63)  263.69                80
 07/23/2025   23:17:15   (  -0.45,  61.38) (   0.24,  58.45)  334.60                80
 07/24/2025   22:55:45   (  -0.45,  61.39) (  -0.83,  63.01)  185.31                80
 07/26/2025   11:17:33   (   0.46,  61.37) (  -0.33,  57.79)  407.94                80
 07/27/2025   11:01:22   (   0.46,  61.38) (   0.68,  62.36)  112.60                80
 07/28/2025   23:23:01   (  -0.46,  61.42) (   0.51,  57.18)  484.38                80
 07/29/2025   23:01:31   (  -0.46,  61.44) (  -0.51,  61.75)   35.66                80