Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 6 18.  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)
 06/19/2024   16:03:06   (  -0.01, 140.75) (  -0.01, 140.72)    3.39                80
 06/22/2024   04:03:41   (   0.00, 140.73) (  -0.18, 139.94)   90.27                80
 06/23/2024   03:47:37   (   0.00, 140.72) (   0.83, 144.47)  426.80                80
 06/24/2024   16:09:26   (   0.00, 140.71) (   0.34, 139.20)  172.23                80
 06/25/2024   15:48:03   (   0.00, 140.70) (  -0.67, 143.73)  345.01                80
 06/27/2024   04:10:01   (  -0.01, 140.68) (  -0.52, 138.42)  257.83                80
 06/28/2024   03:53:58   (  -0.01, 140.66) (   0.50, 142.95)  260.18                80
 06/29/2024   16:15:47   (   0.01, 140.63) (   0.67, 137.67)  337.00                80
 06/30/2024   15:54:24   (   0.01, 140.61) (  -0.35, 142.20)  181.17                80