Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 1 22.  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)
 01/24/2024   04:15:07   (  -0.01, 140.78) (  -0.90, 136.90)  443.05                80
 01/25/2024   03:59:02   (  -0.01, 140.78) (   0.12, 141.43)   73.61                80
 01/27/2024   16:02:03   (   0.00, 140.77) (   0.03, 140.70)    7.73                80
 01/30/2024   04:02:33   (   0.00, 140.77) (  -0.16, 139.94)   94.13                80
 01/31/2024   03:46:26   (   0.00, 140.76) (   0.81, 144.48)  423.92                80
 02/01/2024   16:08:12   (  -0.00, 140.73) (   0.34, 139.22)  172.37                80
 02/02/2024   15:46:47   (  -0.00, 140.72) (  -0.69, 143.75)  345.79                80
 02/04/2024   04:08:41   (   0.01, 140.72) (  -0.51, 138.46)  257.44                80
 02/05/2024   03:52:36   (   0.01, 140.70) (   0.53, 142.99)  260.92                80