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, 140.76) (  -0.86, 136.84)  446.18                80
 04/14/2024   03:59:44   (  -0.01, 140.77) (   0.14, 141.38)   69.71                80
 04/16/2024   16:02:47   (   0.02, 140.77) (   0.03, 140.64)   13.91                80
 04/19/2024   04:03:19   (  -0.03, 140.77) (  -0.22, 139.88)  101.75                80
 04/20/2024   03:47:15   (  -0.03, 140.77) (   0.79, 144.41)  415.44                80
 04/21/2024   16:09:03   (   0.03, 140.74) (   0.38, 139.14)  182.40                80
 04/22/2024   15:47:39   (   0.03, 140.73) (  -0.64, 143.67)  335.10                80
 04/24/2024   04:12:15   (  -0.03, 140.73) (  -0.55, 138.37)  268.39                80
 04/25/2024   03:50:50   (  -0.03, 140.72) (   0.47, 142.90)  249.43                80
 04/26/2024   16:15:19   (   0.03, 140.69) (   0.69, 137.63)  347.65                80