Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2026 3 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/13/2026   23:18:34   (   0.69,  63.44) (   0.34,  64.86)  162.71                80
 03/15/2026   11:37:36   (  -0.60,  63.39) (  -1.46,  59.66)  424.66                80
 03/16/2026   11:21:20   (  -0.65,  63.38) (  -0.47,  64.27)  100.99                80
 03/17/2026   23:40:14   (   0.56,  63.42) (   1.53,  59.09)  493.13                80
 03/18/2026   23:23:59   (   0.61,  63.42) (   0.55,  63.70)   32.09                80
 03/21/2026   11:24:06   (  -0.57,  63.37) (  -0.63,  63.09)   31.35                80
 03/22/2026   11:07:50   (  -0.61,  63.37) (   0.35,  67.70)  493.44                80
 03/23/2026   23:26:45   (   0.51,  63.42) (   0.73,  62.52)  102.40                80
 03/24/2026   23:10:30   (   0.56,  63.43) (  -0.30,  67.12)  421.77                80
 03/26/2026   11:29:31   (  -0.47,  63.40) (  -0.81,  61.92)  168.73                80
 03/27/2026   11:13:16   (  -0.52,  63.40) (   0.17,  66.53)  355.65                80