Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 6 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)
 06/03/2025   04:16:46   (   0.00, 140.76) (  -0.90, 136.87)  443.94                80
 06/04/2025   04:00:43   (  -0.00, 140.75) (   0.14, 141.40)   73.26                80
 06/06/2025   16:01:08   (  -0.00, 140.73) (   0.04, 140.65)    9.68                80
 06/09/2025   04:04:21   (   0.01, 140.69) (  -0.19, 139.87)   94.27                80
 06/10/2025   03:48:18   (   0.01, 140.67) (   0.85, 144.39)  423.55                80
 06/11/2025   16:10:06   (  -0.01, 140.65) (   0.35, 139.12)  175.34                80
 06/12/2025   15:48:43   (  -0.01, 140.64) (  -0.70, 143.64)  342.61                80
 06/14/2025   04:10:40   (   0.01, 140.61) (  -0.49, 138.33)  259.10                80
 06/15/2025   03:54:36   (   0.00, 140.59) (   0.50, 142.87)  259.45                80