Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 7 13.  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)
 07/14/2024   03:54:11   (   0.01, 140.76) (   0.48, 142.94)  247.37                80
 07/15/2024   16:15:59   (  -0.01, 140.75) (   0.70, 137.67)  350.97                80
 07/16/2024   15:54:36   (  -0.01, 140.74) (  -0.35, 142.19)  165.92                80
 07/18/2024   04:16:33   (   0.02, 140.74) (  -0.85, 136.89)  439.11                80
 07/19/2024   04:00:30   (   0.02, 140.74) (   0.20, 141.42)   78.12                80
 07/21/2024   16:03:34   (  -0.02, 140.70) (  -0.02, 140.68)    2.27                80
 07/24/2024   04:04:06   (   0.02, 140.69) (  -0.16, 139.91)   88.26                80
 07/25/2024   03:48:02   (   0.01, 140.67) (   0.85, 144.45)  430.08                80
 07/26/2024   16:09:50   (  -0.01, 140.63) (   0.32, 139.18)  165.70                80
 07/27/2024   15:48:26   (  -0.01, 140.61) (  -0.68, 143.71)  352.88                80