Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 12 8.  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)
 12/09/2024   04:18:14   (   0.01, 140.76) (  -0.91, 136.71)  462.41                80
 12/10/2024   04:02:08   (   0.00, 140.76) (   0.11, 141.24)   54.18                80
 12/12/2024   16:05:09   (   0.01, 140.76) (   0.03, 140.50)   28.46                80
 12/13/2024   15:43:43   (   0.01, 140.76) (  -0.94, 145.05)  488.48                80
 12/15/2024   04:05:37   (  -0.01, 140.76) (  -0.25, 139.75)  116.26                80
 12/16/2024   03:49:32   (  -0.01, 140.76) (   0.79, 144.28)  400.94                80
 12/17/2024   16:11:18   (   0.01, 140.74) (   0.37, 139.01)  197.14                80
 12/18/2024   15:49:51   (   0.01, 140.73) (  -0.61, 143.55)  320.66                80
 12/20/2024   04:11:46   (  -0.01, 140.72) (  -0.54, 138.24)  282.18                80
 12/21/2024   03:55:39   (  -0.01, 140.71) (   0.45, 142.78)  236.39                80