Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 9 24.  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)
 09/26/2025   16:03:53   (  -0.01, 140.78) (   0.03, 140.64)   15.84                80
 09/29/2025   04:04:22   (   0.01, 140.73) (  -0.16, 139.87)   97.72                80
 09/30/2025   03:48:17   (   0.01, 140.73) (   0.86, 144.40)  419.12                80
 10/01/2025   16:10:03   (  -0.02, 140.79) (   0.34, 139.14)  186.95                80
 10/02/2025   15:48:38   (  -0.01, 140.79) (  -0.69, 143.68)  329.88                80
 10/04/2025   04:10:32   (   0.02, 140.73) (  -0.51, 138.38)  267.67                80
 10/05/2025   03:54:27   (   0.02, 140.72) (   0.52, 142.92)  250.11                80
 10/06/2025   16:16:13   (  -0.02, 140.76) (   0.66, 137.65)  353.62                80
 10/07/2025   15:54:46   (  -0.01, 140.76) (  -0.31, 142.20)  164.07                80