Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 4 7.  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)
 04/08/2024   04:09:31   (  -0.03, 140.77) (  -0.54, 138.36)  274.37                80
 04/09/2024   03:53:27   (  -0.03, 140.76) (   0.46, 142.89)  242.99                80
 04/10/2024   16:15:15   (   0.03, 140.74) (   0.73, 137.62)  355.39                80
 04/11/2024   15:53:50   (   0.03, 140.73) (  -0.27, 142.16)  162.07                80
 04/13/2024   04:15:48   (  -0.03, 140.72) (  -0.89, 136.85)  441.05                80
 04/14/2024   03:59:43   (  -0.03, 140.71) (   0.12, 141.38)   76.89                80
 04/16/2024   16:00:07   (   0.04, 140.66) (   0.06, 140.65)    2.48                80
 04/19/2024   04:03:20   (  -0.04, 140.61) (  -0.19, 139.87)   84.38                80
 04/20/2024   03:47:15   (  -0.04, 140.59) (   0.82, 144.40)  435.00                80
 04/21/2024   16:09:04   (   0.04, 140.54) (   0.36, 139.13)  160.17                80