Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 6 8.  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)
 06/09/2025   04:04:22   (   0.02, 140.76) (  -0.15, 139.86)  102.04                80
 06/10/2025   03:48:18   (   0.02, 140.76) (   0.83, 144.40)  413.67                80
 06/11/2025   16:10:06   (  -0.02, 140.77) (   0.37, 139.13)  187.78                80
 06/12/2025   15:48:42   (  -0.02, 140.77) (  -0.67, 143.65)  328.08                80
 06/14/2025   04:10:40   (   0.01, 140.78) (  -0.53, 138.34)  277.26                80
 06/15/2025   03:54:35   (   0.00, 140.77) (   0.46, 142.88)  239.23                80
 06/16/2025   16:16:23   (   0.00, 140.77) (   0.73, 137.61)  360.61                80
 06/17/2025   15:55:00   (   0.01, 140.76) (  -0.31, 142.13)  156.14                80
 06/19/2025   04:16:57   (  -0.01, 140.76) (  -0.89, 136.82)  448.46                80
 06/20/2025   04:00:54   (  -0.01, 140.75) (   0.15, 141.34)   68.75                80