Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 11 30.  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)
 12/02/2025   04:04:21   (  -0.02, 140.77) (  -0.21, 139.96)   91.99                80
 12/03/2025   03:48:19   (  -0.02, 140.76) (   0.83, 144.48)  423.95                80
 12/04/2025   16:10:08   (   0.03, 140.75) (   0.39, 139.21)  175.85                80
 12/05/2025   15:48:46   (   0.02, 140.75) (  -0.65, 143.73)  339.90                80
 12/07/2025   04:10:45   (  -0.03, 140.76) (  -0.54, 138.42)  266.22                80
 12/08/2025   03:54:41   (  -0.02, 140.75) (   0.44, 142.95)  250.27                80
 12/09/2025   16:16:32   (   0.03, 140.72) (   0.72, 137.67)  347.76                80
 12/10/2025   15:55:09   (   0.02, 140.71) (  -0.32, 142.19)  169.16                80
 12/12/2025   04:19:47   (  -0.03, 140.70) (  -0.90, 136.89)  435.07                80
 12/13/2025   03:58:25   (  -0.02, 140.68) (   0.14, 141.41)   82.73                80