Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 4 16.  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)
 04/16/2024   16:02:47   (   0.02, 140.77) (   0.05, 140.65)   14.34                80
 04/19/2024   04:03:19   (  -0.02, 140.78) (  -0.24, 139.88)  102.64                80
 04/20/2024   03:47:14   (  -0.02, 140.78) (   0.78, 144.41)  414.43                80
 04/21/2024   16:09:02   (   0.03, 140.76) (   0.37, 139.14)  183.82                80
 04/22/2024   15:47:38   (   0.02, 140.75) (  -0.65, 143.67)  333.49                80
 04/24/2024   04:09:34   (   0.02, 140.75) (  -0.52, 138.37)  271.04                80
 04/25/2024   03:53:30   (   0.02, 140.74) (   0.50, 142.90)  246.64                80
 04/26/2024   16:12:38   (  -0.02, 140.71) (   0.64, 137.63)  350.95                80
 04/27/2024   15:56:33   (  -0.02, 140.71) (  -0.33, 142.17)  166.84                80
 04/29/2024   04:15:49   (   0.02, 140.70) (  -0.82, 136.87)  436.46                80
 04/30/2024   03:59:43   (   0.01, 140.69) (   0.16, 141.41)   81.66                80