Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 4 25.  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)
 04/26/2024   16:15:16   (  -0.00, 140.74) (   0.68, 137.65)  352.60                80
 04/27/2024   15:53:50   (  -0.00, 140.74) (  -0.31, 142.19)  164.73                80
 04/29/2024   04:15:46   (  -0.01, 140.73) (  -0.88, 136.89)  437.16                80
 04/30/2024   03:59:40   (  -0.01, 140.72) (   0.12, 141.43)   80.75                80
 05/02/2024   16:01:26   (   0.02, 140.69) (   0.02, 140.70)    0.89                 4
 05/05/2024   04:03:12   (  -0.02, 140.65) (  -0.16, 139.93)   81.19                80
 05/06/2024   03:47:06   (  -0.02, 140.63) (   0.87, 144.47)  437.93                80
 05/07/2024   16:08:53   (   0.01, 140.60) (   0.32, 139.21)  158.68                80
 05/08/2024   15:47:27   (   0.01, 140.59) (  -0.71, 143.75)  360.47                80