Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 5 21.  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)
 05/21/2024   04:04:18   (   0.01, 140.73) (   0.00, 140.01)   79.79                 0
 05/22/2024   03:46:49   (   0.01, 140.72) (   0.88, 144.58)  440.33                80
 05/23/2024   16:08:34   (  -0.01, 140.70) (   0.30, 139.33)  156.93                80
 05/24/2024   15:47:08   (  -0.01, 140.69) (  -0.70, 143.87)  361.45                80
 05/26/2024   04:09:02   (   0.01, 140.68) (  -0.45, 138.57)  239.51                80
 05/27/2024   03:52:56   (   0.01, 140.66) (   0.56, 143.11)  279.39                80
 05/28/2024   16:14:41   (  -0.00, 140.64) (   0.60, 137.86)  316.70                80
 05/29/2024   15:53:15   (  -0.00, 140.62) (  -0.41, 142.40)  202.47                80
 05/31/2024   04:15:08   (  -0.00, 140.60) (  -0.78, 137.11)  397.46                80
 06/01/2024   03:59:01   (  -0.00, 140.58) (   0.24, 141.65)  122.48                80
 06/02/2024   16:20:46   (   0.00, 140.54) (   0.96, 136.40)  471.68                80
 06/03/2024   15:59:19   (   0.01, 140.51) (  -0.07, 140.94)   48.46                80