Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 12 21.  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)
 12/21/2024   03:55:39   (  -0.01, 140.74) (   0.42, 142.79)  232.82                80
 12/22/2024   16:17:26   (   0.00, 140.72) (   0.73, 137.52)  365.09                80
 12/23/2024   15:56:00   (   0.00, 140.71) (  -0.32, 142.05)  153.34                80
 12/25/2024   04:17:54   (   0.00, 140.68) (  -0.89, 136.76)  447.71                80
 12/26/2024   04:01:48   (   0.00, 140.66) (   0.17, 141.28)   71.18                80
 12/28/2024   16:04:48   (  -0.01, 140.62) (  -0.02, 140.55)    7.26                80
 12/31/2024   04:05:15   (   0.03, 140.57) (  -0.16, 139.79)   88.46                80
 01/01/2025   03:49:08   (   0.03, 140.55) (   0.85, 144.33)  430.92                80
 01/02/2025   16:10:55   (  -0.03, 140.51) (   0.28, 139.06)  164.81                80
 01/03/2025   15:49:28   (  -0.03, 140.48) (  -0.73, 143.60)  354.96                80