Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 9 27.  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)
 09/29/2025   04:04:22   (   0.02, 140.76) (  -0.18, 139.88)  100.84                80
 09/30/2025   03:48:16   (   0.02, 140.78) (   0.84, 144.41)  413.96                80
 10/01/2025   16:10:03   (  -0.02, 140.85) (   0.36, 139.15)  194.04                80
 10/02/2025   15:48:37   (  -0.02, 140.87) (  -0.67, 143.68)  320.82                80
 10/04/2025   04:10:32   (   0.03, 140.85) (  -0.53, 138.39)  280.84                80
 10/05/2025   03:54:26   (   0.02, 140.86) (   0.49, 142.92)  234.94                80
 10/06/2025   16:16:12   (  -0.03, 140.92) (   0.68, 137.66)  370.80                80
 10/07/2025   15:54:46   (  -0.02, 140.93) (  -0.30, 142.21)  144.94                80
 10/09/2025   04:16:40   (   0.02, 140.91) (  -0.89, 136.91)  456.49                80
 10/10/2025   04:00:35   (   0.02, 140.92) (   0.14, 141.44)   59.74                80