Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 12 26.  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)
 12/28/2024   16:04:46   (   0.02, 140.76) (   0.09, 140.58)   21.63                80
 12/29/2024   15:43:20   (   0.02, 140.76) (  -0.98, 145.10)  495.67                80
 12/31/2024   04:05:13   (  -0.02, 140.76) (  -0.26, 139.82)  107.44                80
 01/01/2025   03:49:07   (  -0.01, 140.75) (   0.82, 144.34)  410.11                80
 01/02/2025   16:10:53   (   0.01, 140.74) (   0.36, 139.08)  188.47                80
 01/03/2025   15:49:26   (   0.00, 140.73) (  -0.66, 143.62)  329.32                80
 01/05/2025   04:13:58   (  -0.00, 140.72) (  -0.55, 138.33)  272.53                80
 01/06/2025   03:52:32   (   0.01, 140.70) (   0.47, 142.87)  245.99                80
 01/07/2025   16:16:57   (  -0.00, 140.68) (   0.69, 137.60)  350.74                80
 01/08/2025   15:55:31   (  -0.00, 140.66) (  -0.34, 142.14)  167.97                80