Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 6 14.  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)
 06/16/2024   04:16:02   (   0.00, 140.77) (  -0.88, 136.94)  436.42                80
 06/17/2024   04:00:00   (   0.00, 140.76) (   0.19, 141.46)   80.13                80
 06/19/2024   16:03:06   (  -0.01, 140.75) (  -0.00, 140.72)    3.38                80
 06/22/2024   04:03:40   (   0.00, 140.73) (  -0.18, 139.94)   90.52                80
 06/23/2024   03:47:37   (   0.00, 140.73) (   0.83, 144.47)  426.46                80
 06/24/2024   16:09:26   (  -0.00, 140.71) (   0.35, 139.20)  172.68                80
 06/25/2024   15:48:03   (  -0.00, 140.70) (  -0.67, 143.73)  344.50                80
 06/27/2024   04:10:01   (   0.01, 140.68) (  -0.51, 138.42)  258.47                80
 06/28/2024   03:53:58   (   0.01, 140.67) (   0.51, 142.94)  259.49                80