Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 12 9.  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)
 12/10/2024   04:02:08   (   0.00, 140.76) (   0.10, 141.24)   54.49                80
 12/12/2024   16:05:09   (  -0.00, 140.75) (   0.04, 140.51)   28.07                80
 12/13/2024   15:43:44   (   0.00, 140.75) (  -0.99, 145.04)  488.79                80
 12/15/2024   04:05:37   (  -0.00, 140.76) (  -0.26, 139.75)  115.57                80
 12/16/2024   03:49:31   (  -0.01, 140.75) (   0.78, 144.28)  401.87                80
 12/17/2024   16:11:18   (   0.01, 140.73) (   0.38, 139.01)  196.03                80
 12/18/2024   15:49:51   (   0.02, 140.72) (  -0.61, 143.55)  321.83                80
 12/20/2024   04:11:46   (  -0.02, 140.71) (  -0.55, 138.25)  280.82                80
 12/21/2024   03:52:59   (  -0.01, 140.70) (   0.44, 142.79)  237.76                80
 12/22/2024   16:17:25   (   0.01, 140.66) (   0.71, 137.52)  358.13                80
 12/23/2024   15:55:59   (   0.01, 140.64) (  -0.29, 142.05)  160.87                80