Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 4 10.  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)
 04/11/2024   15:53:51   (   0.01, 140.75) (  -0.30, 142.15)  159.63                80
 04/13/2024   04:15:47   (  -0.01, 140.75) (  -0.91, 136.86)  444.77                80
 04/14/2024   03:59:44   (  -0.01, 140.75) (   0.15, 141.38)   72.39                80
 04/16/2024   16:02:48   (   0.01, 140.71) (   0.02, 140.64)    8.16                80
 04/19/2024   04:03:19   (  -0.02, 140.69) (  -0.21, 139.87)   92.61                80
 04/20/2024   03:47:15   (  -0.02, 140.67) (   0.81, 144.41)  425.91                80
 04/21/2024   16:09:03   (   0.02, 140.63) (   0.36, 139.14)  169.98                80
 04/22/2024   15:47:39   (   0.01, 140.61) (  -0.66, 143.67)  348.75                80
 04/24/2024   04:12:15   (  -0.01, 140.58) (  -0.53, 138.37)  252.67                80