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, 140.76) (   0.15, 141.42)   75.51                80
 05/02/2024   16:02:42   (   0.02, 140.76) (   0.01, 140.70)    7.20                80
 05/05/2024   04:03:12   (  -0.02, 140.76) (  -0.18, 139.94)   92.99                80
 05/06/2024   03:47:07   (  -0.01, 140.75) (   0.83, 144.47)  424.69                80
 05/07/2024   16:08:54   (  -0.00, 140.73) (   0.32, 139.21)  173.32                80
 05/08/2024   15:47:29   (  -0.00, 140.72) (  -0.69, 143.74)  344.49                80
 05/10/2024   04:09:23   (   0.01, 140.72) (  -0.52, 138.46)  258.29                80
 05/11/2024   03:53:18   (   0.01, 140.70) (   0.49, 142.99)  260.15                80
 05/12/2024   16:15:05   (  -0.01, 140.67) (   0.64, 137.72)  336.25                80
 05/13/2024   15:56:19   (  -0.00, 140.66) (  -0.38, 142.26)  182.63                80