Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 9 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)
 09/16/2024   03:54:19   (   0.01, 140.76) (   0.53, 143.08)  263.86                80
 09/17/2024   16:13:30   (  -0.02, 140.76) (   0.67, 137.80)  337.93                80
 09/18/2024   15:57:28   (  -0.01, 140.77) (  -0.39, 142.32)  177.67                80
 09/20/2024   04:16:48   (   0.02, 140.77) (  -0.81, 137.01)  428.50                80
 09/21/2024   04:00:45   (   0.01, 140.77) (   0.20, 141.53)   87.53                80
 09/23/2024   16:01:13   (  -0.01, 140.76) (   0.00, 140.79)    3.90                80
 09/26/2024   04:04:30   (   0.02, 140.75) (  -0.14, 140.00)   85.61                80
 09/27/2024   03:48:26   (   0.01, 140.74) (   0.84, 144.53)  431.38                80
 09/28/2024   16:10:18   (  -0.02, 140.71) (   0.30, 139.24)  166.98                80
 09/29/2024   15:48:54   (  -0.02, 140.70) (  -0.69, 143.78)  350.62                80