Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 9 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)
 09/20/2024   04:16:47   (   0.02, 140.77) (  -0.83, 137.01)  428.28                80
 09/21/2024   04:00:45   (   0.02, 140.77) (   0.17, 141.54)   87.76                80
 09/23/2024   16:01:14   (  -0.02, 140.76) (  -0.01, 140.78)    3.34                80
 09/26/2024   04:04:31   (   0.02, 140.74) (  -0.16, 140.00)   85.50                80
 09/27/2024   03:48:28   (   0.02, 140.73) (   0.86, 144.52)  431.46                80
 09/28/2024   16:10:19   (  -0.03, 140.71) (   0.29, 139.24)  167.63                80
 09/29/2024   15:48:57   (  -0.03, 140.70) (  -0.74, 143.76)  349.89                80
 10/01/2024   04:10:55   (   0.03, 140.67) (  -0.49, 138.46)  252.80                80
 10/02/2024   03:54:53   (   0.03, 140.65) (   0.55, 142.98)  265.47                80