Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 5 13.  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)
 05/13/2024   15:53:38   (   0.02, 140.75) (  -0.33, 142.27)  173.61                80
 05/15/2024   04:15:33   (  -0.02, 140.76) (  -0.86, 136.98)  430.57                80
 05/16/2024   03:59:27   (  -0.02, 140.76) (   0.17, 141.51)   86.96                80
 05/18/2024   16:02:27   (   0.02, 140.74) (  -0.01, 140.80)    7.80                80
 05/21/2024   04:02:55   (  -0.02, 140.73) (  -0.15, 140.04)   77.21                80
 05/22/2024   03:46:48   (  -0.01, 140.72) (   0.85, 144.59)  441.11                80
 05/23/2024   16:08:34   (   0.00, 140.69) (   0.32, 139.33)  155.52                80
 05/24/2024   15:47:07   (   0.00, 140.68) (  -0.69, 143.87)  362.98                80
 05/26/2024   04:09:00   (  -0.00, 140.68) (  -0.49, 138.58)  239.13                80