Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 4 29.  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)
 04/30/2024   03:59:41   (  -0.01, 140.77) (   0.15, 141.42)   75.36                80
 05/02/2024   16:02:42   (   0.02, 140.76) (   0.01, 140.70)    7.25                80
 05/05/2024   04:03:12   (  -0.02, 140.76) (  -0.18, 139.94)   93.31                80
 05/06/2024   03:47:07   (  -0.01, 140.75) (   0.83, 144.47)  424.35                80
 05/07/2024   16:08:54   (  -0.00, 140.73) (   0.32, 139.21)  173.58                80
 05/08/2024   15:47:29   (  -0.00, 140.73) (  -0.70, 143.74)  344.21                80
 05/10/2024   04:09:23   (   0.01, 140.72) (  -0.52, 138.45)  258.72                80
 05/11/2024   03:53:17   (   0.01, 140.71) (   0.50, 142.99)  259.68                80
 05/12/2024   16:15:05   (  -0.01, 140.68) (   0.63, 137.72)  336.64                80