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)
 04/19/2024   04:03:19   (  -0.02, 140.78) (  -0.23, 139.88)  102.72                80
 04/20/2024   03:47:14   (  -0.02, 140.78) (   0.80, 144.41)  414.34                80
 04/21/2024   16:09:01   (   0.03, 140.76) (   0.41, 139.15)  184.07                80
 04/22/2024   15:50:18   (  -0.00, 140.76) (  -0.68, 143.67)  332.71                80
 04/24/2024   04:09:34   (   0.02, 140.75) (  -0.49, 138.37)  271.25                80
 04/25/2024   03:53:29   (   0.02, 140.74) (   0.49, 142.91)  246.48                80
 04/26/2024   16:12:37   (  -0.02, 140.72) (   0.64, 137.63)  351.19                80
 04/27/2024   15:56:32   (  -0.02, 140.71) (  -0.34, 142.17)  166.62                80
 04/29/2024   04:15:47   (   0.02, 140.71) (  -0.85, 136.88)  436.52                80
 04/30/2024   03:59:42   (   0.02, 140.70) (   0.20, 141.41)   81.65                80