Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2026 6 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/25/2026   23:47:07   (  -1.25,  63.53) (  -0.47,  60.26)  374.22                80
 06/26/2026   23:30:51   (  -1.23,  63.52) (  -1.55,  64.85)  151.99                80
 06/28/2026   11:49:49   (   1.28,  63.57) (   0.37,  59.68)  444.20                80
 06/29/2026   11:33:34   (   1.26,  63.55) (   1.44,  64.27)   82.32                80
 06/30/2026   23:52:24   (  -1.30,  63.47) (  -0.32,  59.12)  496.40                80
 07/01/2026   23:36:08   (  -1.29,  63.47) (  -1.34,  63.73)   29.32                80
 07/04/2026   11:36:11   (   1.31,  63.51) (   1.24,  63.14)   41.78                80
 07/05/2026   11:19:54   (   1.29,  63.50) (   2.26,  67.75)  484.29                80
 07/06/2026   23:38:44   (  -1.33,  63.42) (  -1.12,  62.60)   94.27                80
 07/07/2026   23:22:29   (  -1.31,  63.42) (  -2.20,  67.19)  430.76                80
 07/09/2026   11:41:26   (   1.34,  63.49) (   0.98,  62.03)  167.71                80