Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 9 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)
 09/10/2024   04:05:22   (  -0.01, 140.77) (   0.00, 140.05)   80.18                 0
 09/11/2024   03:47:53   (  -0.01, 140.78) (   0.88, 144.62)  437.57                80
 09/12/2024   16:06:58   (   0.00, 140.82) (   0.31, 139.36)  164.95                80
 09/13/2024   15:50:52   (   0.00, 140.83) (  -0.70, 143.91)  350.84                80
 09/15/2024   04:10:05   (   0.00, 140.85) (  -0.48, 138.62)  253.54                80
 09/16/2024   03:53:59   (   0.00, 140.86) (   0.54, 143.16)  262.97                80
 09/17/2024   16:15:43   (  -0.00, 140.87) (   0.67, 137.92)  337.60                80
 09/18/2024   15:54:17   (   0.00, 140.88) (  -0.36, 142.45)  179.36                80
 09/20/2024   04:16:09   (   0.00, 140.89) (  -0.85, 137.17)  423.60                80
 09/21/2024   04:00:02   (  -0.00, 140.89) (   0.19, 141.71)   93.84                80
 09/23/2024   16:00:19   (   0.00, 140.90) (  -0.01, 141.01)   12.28                80