Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 5 5.  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)
 05/05/2024   04:03:12   (  -0.02, 140.75) (  -0.20, 139.94)   92.28                80
 05/06/2024   03:47:07   (  -0.01, 140.74) (   0.81, 144.48)  425.46                80
 05/07/2024   16:08:54   (  -0.01, 140.72) (   0.34, 139.21)  172.63                80
 05/08/2024   15:47:28   (  -0.01, 140.71) (  -0.67, 143.75)  345.37                80
 05/10/2024   04:09:24   (   0.01, 140.70) (  -0.50, 138.45)  256.84                80
 05/11/2024   03:53:18   (   0.01, 140.69) (   0.51, 142.99)  261.70                80
 05/12/2024   16:12:26   (  -0.01, 140.66) (   0.63, 137.72)  334.80                80
 05/13/2024   15:56:20   (  -0.01, 140.64) (  -0.39, 142.25)  184.23                80
 05/15/2024   04:15:34   (   0.01, 140.62) (  -0.83, 136.97)  416.58                80
 05/16/2024   03:59:29   (   0.00, 140.59) (   0.19, 141.50)  103.15                80
 05/17/2024   16:18:36   (  -0.01, 140.55) (   0.94, 136.23)  491.41                80
 05/18/2024   16:02:31   (  -0.01, 140.52) (  -0.08, 140.77)   28.73                80