Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 5 4.  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   (  -0.01, 140.75) (  -0.17, 139.94)   92.41                80
 05/06/2024   03:47:07   (  -0.01, 140.74) (   0.83, 144.47)  425.39                80
 05/07/2024   16:08:54   (  -0.01, 140.72) (   0.31, 139.21)  172.60                80
 05/08/2024   15:47:29   (  -0.01, 140.71) (  -0.69, 143.74)  345.39                80
 05/10/2024   04:09:24   (   0.01, 140.70) (  -0.47, 138.44)  256.88                80
 05/11/2024   03:53:19   (   0.01, 140.69) (   0.54, 142.98)  261.66                80
 05/12/2024   16:12:25   (  -0.01, 140.66) (   0.66, 137.72)  334.85                80
 05/13/2024   15:56:20   (  -0.01, 140.64) (  -0.35, 142.26)  184.15                80
 05/15/2024   04:15:35   (   0.01, 140.62) (  -0.80, 136.96)  416.72                80
 05/16/2024   03:59:29   (   0.01, 140.59) (   0.22, 141.50)  103.00                80
 05/17/2024   16:18:36   (  -0.02, 140.55) (   0.97, 136.24)  491.55                80