Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 7 1.  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)
 07/02/2025   16:16:31   (   0.01, 140.73) (   0.75, 137.58)  359.92                80
 07/03/2025   15:55:08   (   0.01, 140.72) (  -0.31, 142.10)  156.77                80
 07/05/2025   04:17:05   (  -0.01, 140.72) (  -0.89, 136.79)  447.70                80
 07/06/2025   04:01:01   (   0.00, 140.71) (   0.16, 141.31)   69.41                80
 07/08/2025   16:04:04   (  -0.01, 140.68) (   0.04, 140.58)   12.17                80
 07/11/2025   04:04:38   (   0.00, 140.66) (  -0.18, 139.79)   98.17                80
 07/12/2025   03:48:34   (   0.00, 140.64) (   0.83, 144.32)  419.77                80
 07/13/2025   16:10:21   (   0.00, 140.61) (   0.37, 139.06)  177.04                80
 07/14/2025   15:48:57   (   0.00, 140.59) (  -0.69, 143.58)  341.16                80