Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 5 6.  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)
 05/07/2024   16:08:54   (   0.00, 140.72) (   0.35, 139.21)  172.47                80
 05/08/2024   15:47:28   (  -0.00, 140.71) (  -0.66, 143.75)  345.46                80
 05/10/2024   04:09:23   (   0.01, 140.70) (  -0.51, 138.45)  256.75                80
 05/11/2024   03:53:18   (   0.00, 140.69) (   0.50, 142.99)  261.79                80
 05/12/2024   16:12:25   (  -0.00, 140.66) (   0.63, 137.72)  334.75                80
 05/13/2024   15:56:20   (   0.00, 140.64) (  -0.38, 142.26)  184.29                80
 05/15/2024   04:15:34   (   0.00, 140.62) (  -0.83, 136.97)  416.46                80
 05/16/2024   03:59:29   (  -0.00, 140.60) (   0.19, 141.50)  103.26                80
 05/17/2024   16:18:35   (  -0.00, 140.55) (   0.99, 136.25)  491.32                80
 05/18/2024   15:59:49   (   0.00, 140.52) (  -0.03, 140.78)   28.88                80