Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 4 12.  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)
 04/13/2024   04:15:48   (  -0.01, 140.75) (  -0.88, 136.85)  444.77                80
 04/14/2024   03:59:43   (  -0.01, 140.75) (   0.12, 141.38)   72.45                80
 04/16/2024   16:02:47   (   0.02, 140.71) (   0.04, 140.65)    7.87                80
 04/19/2024   04:03:19   (  -0.03, 140.68) (  -0.23, 139.88)   92.19                80
 04/20/2024   03:47:15   (  -0.02, 140.66) (   0.84, 144.40)  426.45                80
 04/21/2024   16:09:04   (   0.03, 140.62) (   0.33, 139.13)  169.46                80
 04/22/2024   15:47:39   (   0.02, 140.60) (  -0.68, 143.66)  349.36                80
 04/24/2024   04:09:36   (  -0.02, 140.58) (  -0.50, 138.36)  251.92                80
 04/25/2024   03:53:31   (  -0.02, 140.55) (   0.52, 142.89)  267.25                80