Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 8 17.  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)
 08/19/2024   04:16:47   (   0.00, 140.75) (  -0.86, 136.92)  436.58                80
 08/20/2024   04:00:42   (  -0.00, 140.76) (   0.13, 141.46)   80.19                80
 08/22/2024   16:03:45   (   0.01, 140.75) (  -0.00, 140.73)    2.67                80
 08/25/2024   04:04:14   (  -0.01, 140.74) (  -0.18, 139.97)   88.16                80
 08/26/2024   03:48:09   (  -0.00, 140.74) (   0.83, 144.51)  429.40                80
 08/27/2024   16:09:56   (  -0.00, 140.73) (   0.32, 139.24)  168.93                80
 08/28/2024   15:48:31   (  -0.00, 140.72) (  -0.69, 143.78)  348.80                80
 08/30/2024   04:10:25   (   0.01, 140.71) (  -0.52, 138.49)  253.40                80
 08/31/2024   03:54:20   (   0.01, 140.70) (   0.51, 143.03)  265.22                80