Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2026 2 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/21/2026   09:24:50   (   0.60, -89.50) (   0.13, -87.37)  242.25                80
 02/22/2026   21:43:52   (  -0.57, -89.44) (  -1.26, -92.57)  356.58                80
 02/23/2026   21:27:38   (  -0.58, -89.44) (  -0.25, -87.97)  167.38                80
 02/25/2026   09:46:31   (   0.55, -89.50) (   1.39, -93.14)  415.56                80
 02/26/2026   09:30:18   (   0.57, -89.50) (   0.33, -88.55)  108.48                80
 02/27/2026   21:49:19   (  -0.54, -89.44) (  -1.53, -93.74)  490.29                80
 02/28/2026   21:33:05   (  -0.56, -89.45) (  -0.47, -89.15)   34.22                80
 03/03/2026   09:33:05   (   0.55, -89.52) (   0.60, -89.72)   23.08                80
 03/05/2026   21:35:54   (  -0.53, -89.49) (  -0.70, -90.33)   95.49                80