Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 6 16.  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)
 06/17/2024   04:00:00   (  -0.00, 140.76) (   0.18, 141.46)   80.53                80
 06/19/2024   16:03:05   (   0.01, 140.75) (   0.00, 140.72)    3.18                80
 06/22/2024   04:03:40   (  -0.01, 140.73) (  -0.18, 139.94)   89.95                80
 06/23/2024   03:47:37   (  -0.01, 140.72) (   0.83, 144.47)  427.03                80
 06/24/2024   16:09:26   (   0.00, 140.71) (   0.34, 139.20)  172.21                80
 06/25/2024   15:48:03   (  -0.00, 140.70) (  -0.67, 143.73)  344.96                80
 06/27/2024   04:10:01   (   0.00, 140.68) (  -0.51, 138.42)  257.91                80
 06/28/2024   03:53:57   (   0.01, 140.66) (   0.51, 142.95)  260.07                80
 06/29/2024   16:15:47   (  -0.01, 140.63) (   0.65, 137.67)  337.18                80
 06/30/2024   15:54:23   (  -0.00, 140.61) (  -0.37, 142.20)  181.00                80