Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 12 2.  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)
 12/03/2025   03:48:18   (  -0.04, 140.71) (   0.82, 144.48)  430.68                80
 12/04/2025   16:10:09   (   0.03, 140.71) (   0.34, 139.20)  171.53                80
 12/05/2025   15:48:45   (   0.04, 140.70) (  -0.64, 143.74)  345.52                80
 12/07/2025   04:10:45   (  -0.03, 140.66) (  -0.55, 138.42)  254.91                80
 12/08/2025   03:54:42   (  -0.03, 140.64) (   0.50, 142.94)  262.95                80
 12/09/2025   16:16:32   (   0.02, 140.63) (   0.66, 137.66)  337.31                80
 12/10/2025   15:55:09   (   0.02, 140.60) (  -0.32, 142.19)  180.91                80
 12/12/2025   04:17:08   (  -0.02, 140.54) (  -0.84, 136.88)  417.91                80
 12/13/2025   04:01:05   (  -0.02, 140.51) (   0.16, 141.41)  101.35                80
 12/14/2025   16:22:55   (   0.02, 140.48) (   1.01, 136.13)  496.52                80
 12/15/2025   16:01:33   (   0.02, 140.45) (  -0.05, 140.65)   22.77                80