Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 12 17.  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)
 12/18/2024   15:49:52   (   0.00, 140.74) (  -0.65, 143.54)  320.29                80
 12/20/2024   04:14:26   (  -0.00, 140.72) (  -0.57, 138.25)  282.30                80
 12/21/2024   03:53:00   (   0.01, 140.71) (   0.47, 142.78)  236.04                80
 12/22/2024   16:17:27   (  -0.00, 140.68) (   0.68, 137.51)  360.48                80
 12/23/2024   15:56:00   (  -0.01, 140.66) (  -0.31, 142.05)  158.22                80
 12/25/2024   04:20:33   (   0.00, 140.64) (  -0.89, 136.76)  442.77                80
 12/26/2024   03:59:08   (   0.00, 140.61) (   0.16, 141.28)   76.49                80
 12/28/2024   16:02:08   (   0.01, 140.55) (  -0.02, 140.55)    2.84                80
 12/31/2024   04:07:55   (  -0.01, 140.50) (  -0.15, 139.79)   80.47                80