Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 9 26.  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) (  -0.17, 139.87)  100.86                80
 09/30/2025   03:48:17   (   0.02, 140.78) (   0.85, 144.41)  413.94                80
 10/01/2025   16:10:03   (  -0.02, 140.85) (   0.34, 139.15)  194.07                80
 10/02/2025   15:48:37   (  -0.02, 140.87) (  -0.62, 143.69)  320.81                80
 10/04/2025   04:10:32   (   0.03, 140.85) (  -0.52, 138.39)  280.87                80
 10/05/2025   03:54:26   (   0.02, 140.86) (   0.51, 142.92)  234.92                80
 10/06/2025   16:16:12   (  -0.03, 140.92) (   0.72, 137.67)  370.84                80
 10/07/2025   15:54:46   (  -0.02, 140.93) (  -0.31, 142.20)  144.89                80
 10/09/2025   04:16:41   (   0.02, 140.91) (  -0.88, 136.91)  456.53                80
 10/10/2025   04:00:35   (   0.02, 140.92) (   0.15, 141.44)   59.72                80