Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 5 18.  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)
 05/18/2024   15:59:47   (  -0.00, 140.74) (  -0.03, 140.79)    6.86                80
 05/21/2024   04:02:55   (   0.00, 140.70) (  -0.15, 140.04)   75.17                80
 05/22/2024   03:46:50   (   0.00, 140.68) (   0.90, 144.57)  444.01                80
 05/23/2024   16:08:35   (  -0.01, 140.65) (   0.28, 139.32)  151.82                80
 05/24/2024   15:47:09   (  -0.01, 140.64) (  -0.72, 143.86)  367.22                80
 05/26/2024   04:09:03   (   0.02, 140.62) (  -0.42, 138.57)  233.30                80
 05/27/2024   03:52:56   (   0.02, 140.60) (   0.58, 143.11)  286.30                80
 05/28/2024   16:14:42   (  -0.02, 140.56) (   0.58, 137.85)  308.29                80
 05/29/2024   15:53:15   (  -0.01, 140.53) (  -0.44, 142.39)  211.75                80
 05/31/2024   04:15:08   (   0.01, 140.50) (  -0.75, 137.10)  387.47                80