Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 4 23.  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)
 04/24/2024   04:09:33   (  -0.02, 140.75) (  -0.54, 138.38)  269.55                80
 04/25/2024   03:53:28   (  -0.02, 140.74) (   0.44, 142.92)  248.09                80
 04/26/2024   16:15:16   (   0.01, 140.73) (   0.68, 137.65)  350.64                80
 04/27/2024   15:53:50   (   0.01, 140.72) (  -0.31, 142.19)  167.14                80
 04/29/2024   04:15:46   (  -0.00, 140.70) (  -0.88, 136.89)  435.13                80
 04/30/2024   03:59:41   (  -0.01, 140.69) (   0.18, 141.42)   83.16                80
 05/02/2024   16:00:02   (   0.01, 140.66) (   0.03, 140.70)    5.11                80
 05/05/2024   04:03:12   (  -0.01, 140.61) (  -0.17, 139.94)   77.37                80
 05/06/2024   03:47:06   (  -0.01, 140.59) (   0.84, 144.47)  442.05                80