Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 12 10.  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)
 12/12/2024   16:05:09   (   0.02, 140.75) (   0.07, 140.51)   27.59                80
 12/13/2024   15:43:43   (   0.02, 140.75) (  -0.95, 145.04)  489.21                80
 12/15/2024   04:05:37   (  -0.02, 140.76) (  -0.24, 139.74)  115.16                80
 12/16/2024   03:49:32   (  -0.02, 140.75) (   0.80, 144.27)  402.06                80
 12/17/2024   16:11:17   (   0.02, 140.73) (   0.42, 139.02)  196.14                80
 12/18/2024   15:49:52   (   0.01, 140.72) (  -0.61, 143.55)  321.49                80
 12/20/2024   04:14:26   (  -0.01, 140.71) (  -0.55, 138.24)  281.20                80
 12/21/2024   03:53:00   (  -0.00, 140.70) (   0.44, 142.79)  237.29                80
 12/22/2024   16:17:26   (   0.00, 140.66) (   0.72, 137.52)  358.62                80
 12/23/2024   15:56:00   (   0.00, 140.64) (  -0.33, 142.04)  160.27                80