Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 6 9.  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)
 06/10/2025   03:48:18   (   0.02, 140.76) (   0.83, 144.39)  413.81                80
 06/11/2025   16:10:06   (  -0.02, 140.77) (   0.36, 139.13)  187.69                80
 06/12/2025   15:48:42   (  -0.01, 140.77) (  -0.68, 143.65)  328.20                80
 06/14/2025   04:10:40   (   0.01, 140.78) (  -0.52, 138.34)  277.03                80
 06/15/2025   03:54:35   (   0.00, 140.77) (   0.46, 142.88)  239.48                80
 06/16/2025   16:16:24   (   0.00, 140.76) (   0.72, 137.61)  360.43                80
 06/17/2025   15:55:00   (   0.01, 140.76) (  -0.32, 142.13)  156.35                80
 06/19/2025   04:16:57   (  -0.01, 140.75) (  -0.88, 136.82)  448.13                80
 06/20/2025   04:00:53   (  -0.01, 140.75) (   0.11, 141.35)   69.07                80
 06/22/2025   16:03:58   (  -0.00, 140.72) (   0.02, 140.60)   12.73                80