Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 4 20.  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)
 04/20/2024   03:47:14   (  -0.01, 140.78) (   0.80, 144.41)  414.41                80
 04/21/2024   16:09:02   (   0.01, 140.75) (   0.34, 139.14)  182.94                80
 04/22/2024   15:47:37   (   0.01, 140.73) (  -0.63, 143.68)  335.65                80
 04/24/2024   04:09:33   (  -0.01, 140.70) (  -0.53, 138.38)  265.00                80
 04/25/2024   03:53:29   (  -0.01, 140.68) (   0.52, 142.90)  253.98                80
 04/26/2024   16:15:16   (   0.01, 140.65) (   0.66, 137.64)  342.33                80
 04/27/2024   15:53:51   (   0.02, 140.63) (  -0.33, 142.18)  176.73                80
 04/29/2024   04:15:46   (  -0.03, 140.60) (  -0.85, 136.88)  423.31                80
 04/30/2024   03:59:40   (  -0.03, 140.58) (   0.15, 141.42)   96.17                80
 05/01/2024   16:21:28   (   0.04, 140.54) (   1.00, 136.16)  499.01                80
 05/02/2024   16:00:02   (   0.04, 140.51) (  -0.01, 140.69)   20.85                80