Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 9 6.  Predictions up to the next  14.0 days:

     Date     Time(HIMAWARI-9)   HIMAWARI-9 Lat/Lon  NOAA-21 Lat/Lon    Distance(km)  Time Diff(sec)
 09/07/2025   04:17:06   (   0.01, 140.77) (  -0.88, 136.79)  453.78                80
 09/08/2025   04:01:00   (   0.01, 140.76) (   0.12, 141.33)   63.72                80
 09/10/2025   16:04:03   (  -0.00, 140.74) (   0.02, 140.59)   17.84                80
 09/11/2025   15:42:38   (  -0.00, 140.74) (  -0.97, 145.12)  499.78                80
 09/13/2025   04:04:33   (   0.00, 140.72) (  -0.19, 139.82)  102.37                80
 09/14/2025   03:48:28   (   0.00, 140.71) (   0.81, 144.36)  415.50                80
 09/15/2025   16:10:15   (  -0.01, 140.69) (   0.37, 139.09)  182.87                80
 09/16/2025   15:48:50   (  -0.00, 140.68) (  -0.69, 143.61)  335.31                80
 09/18/2025   04:10:45   (   0.01, 140.65) (  -0.52, 138.32)  265.78                80
 09/19/2025   03:54:39   (   0.01, 140.63) (   0.49, 142.86)  253.30                80
 09/20/2025   16:16:27   (  -0.01, 140.59) (   0.69, 137.59)  342.72                80