Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2025 7 31.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/01/2025   11:04:30   (   0.47,  61.41) (   0.40,  61.10)   35.41                80
 08/02/2025   10:48:21   (   0.47,  61.42) (   1.43,  65.67)  484.49                80
 08/03/2025   23:10:01   (  -0.48,  61.47) (  -0.26,  60.47)  113.66                80
 08/04/2025   22:48:32   (  -0.48,  61.49) (  -1.29,  65.04)  405.20                80
 08/06/2025   11:10:19   (   0.48,  61.49) (   0.07,  59.83)  190.27                80
 08/07/2025   10:54:11   (   0.49,  61.50) (   1.17,  64.38)  328.94                80
 08/08/2025   23:15:50   (  -0.49,  61.56) (   0.05,  59.20)  268.86                80
 08/09/2025   22:54:20   (  -0.50,  61.58) (  -1.00,  63.77)  249.56                80
 08/11/2025   11:16:08   (   0.49,  61.59) (  -0.21,  58.55)  347.21                80
 08/12/2025   10:59:58   (   0.49,  61.61) (   0.83,  63.12)  171.74                80
 08/13/2025   23:21:38   (  -0.48,  61.66) (   0.37,  57.94)  425.28                80