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   (   0.00, 140.76) (  -0.90, 136.71)  462.15                80
 12/10/2024   04:02:09   (   0.00, 140.76) (   0.12, 141.24)   54.47                80
 12/12/2024   16:05:08   (  -0.00, 140.75) (   0.08, 140.51)   28.33                80
 12/13/2024   15:43:43   (  -0.00, 140.75) (  -0.95, 145.04)  488.60                80
 12/15/2024   04:05:37   (   0.00, 140.76) (  -0.23, 139.74)  115.93                80
 12/16/2024   03:49:32   (   0.00, 140.75) (   0.81, 144.27)  401.37                80
 12/17/2024   16:11:17   (   0.00, 140.74) (   0.41, 139.02)  196.61                80
 12/18/2024   15:49:52   (   0.01, 140.73) (  -0.63, 143.54)  321.29                80
 12/20/2024   04:11:45   (  -0.01, 140.72) (  -0.59, 138.25)  281.36                80
 12/21/2024   03:55:39   (  -0.01, 140.70) (   0.47, 142.78)  237.31                80
 12/22/2024   16:17:25   (   0.01, 140.66) (   0.74, 137.52)  358.59                80