Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 4 15.  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) (   0.07, 140.65)   14.32                80
 04/19/2024   04:03:18   (  -0.02, 140.78) (  -0.25, 139.89)  102.56                80
 04/20/2024   03:47:14   (  -0.03, 140.78) (   0.77, 144.42)  414.55                80
 04/21/2024   16:09:02   (   0.03, 140.76) (   0.39, 139.15)  183.55                80
 04/22/2024   15:47:38   (   0.03, 140.75) (  -0.64, 143.68)  333.89                80
 04/24/2024   04:09:34   (  -0.02, 140.75) (  -0.54, 138.37)  269.90                80
 04/25/2024   03:53:30   (  -0.01, 140.74) (   0.49, 142.90)  247.54                80
 04/26/2024   16:12:37   (  -0.00, 140.71) (   0.71, 137.65)  350.13                80
 04/27/2024   15:56:32   (   0.00, 140.70) (  -0.32, 142.17)  167.67                80