Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 4 21.  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)
 04/22/2024   15:47:37   (   0.03, 140.76) (  -0.61, 143.69)  333.16                80
 04/24/2024   04:09:33   (  -0.02, 140.75) (  -0.54, 138.38)  269.65                80
 04/25/2024   03:53:27   (  -0.02, 140.74) (   0.44, 142.92)  248.01                80
 04/26/2024   16:12:36   (   0.01, 140.73) (   0.67, 137.64)  350.56                80
 04/27/2024   15:56:30   (   0.01, 140.72) (  -0.32, 142.18)  167.24                80
 04/29/2024   04:15:46   (  -0.00, 140.70) (  -0.86, 136.89)  435.12                80
 04/30/2024   03:59:40   (  -0.01, 140.69) (   0.14, 141.43)   83.15                80
 05/02/2024   16:02:42   (   0.01, 140.66) (  -0.00, 140.69)    4.59                80
 05/05/2024   04:03:11   (  -0.01, 140.61) (  -0.18, 139.94)   77.18                80