Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 12 31.  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)
 01/01/2025   03:49:07   (  -0.01, 140.76) (   0.82, 144.34)  409.63                80
 01/02/2025   16:10:51   (   0.01, 140.76) (   0.41, 139.09)  190.18                80
 01/03/2025   15:49:25   (   0.01, 140.75) (  -0.61, 143.63)  327.50                80
 01/05/2025   04:11:18   (  -0.02, 140.74) (  -0.53, 138.33)  273.98                80
 01/06/2025   03:55:11   (  -0.02, 140.73) (   0.44, 142.88)  244.34                80
 01/07/2025   16:16:56   (   0.01, 140.71) (   0.71, 137.61)  353.87                80
 01/08/2025   15:55:30   (   0.01, 140.70) (  -0.34, 142.14)  164.52                80
 01/10/2025   04:17:22   (  -0.01, 140.68) (  -0.84, 136.85)  436.38                80
 01/11/2025   04:01:14   (  -0.00, 140.67) (   0.15, 141.40)   82.37                80
 01/13/2025   16:01:32   (  -0.00, 140.63) (  -0.03, 140.67)    4.99                80