Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 10 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)
 10/06/2025   16:16:12   (  -0.02, 140.79) (   0.65, 137.66)  355.69                80
 10/07/2025   15:54:46   (  -0.02, 140.80) (  -0.33, 142.20)  159.77                80
 10/09/2025   04:16:40   (   0.03, 140.82) (  -0.86, 136.91)  446.29                80
 10/10/2025   04:00:35   (   0.03, 140.84) (   0.17, 141.44)   69.38                80
 10/12/2025   16:03:35   (  -0.04, 140.86) (  -0.01, 140.72)   16.12                80
 10/13/2025   15:42:08   (  -0.04, 140.87) (  -1.00, 145.26)  499.77                80
 10/15/2025   04:04:02   (   0.04, 140.89) (  -0.18, 139.97)  105.30                80
 10/16/2025   03:47:57   (   0.05, 140.89) (   0.86, 144.50)  411.55                80
 10/17/2025   16:09:42   (  -0.05, 140.88) (   0.32, 139.24)  187.01                80
 10/18/2025   15:48:16   (  -0.05, 140.88) (  -0.68, 143.78)  330.29                80
 10/20/2025   04:10:10   (   0.05, 140.88) (  -0.50, 138.49)  273.16                80