Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 7 25.  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)
 07/25/2025   15:42:45   (  -0.04, 140.81) (  -1.00, 145.09)  487.43                80
 07/27/2025   04:04:42   (   0.05, 140.76) (  -0.17, 139.78)  112.42                80
 07/28/2025   03:48:38   (   0.05, 140.75) (   0.84, 144.31)  405.46                80
 07/29/2025   16:10:25   (  -0.05, 140.75) (   0.36, 139.04)  195.60                80
 07/30/2025   15:49:01   (  -0.05, 140.74) (  -0.66, 143.57)  322.51                80
 08/01/2025   04:10:58   (   0.05, 140.68) (  -0.50, 138.26)  276.30                80
 08/02/2025   03:54:53   (   0.06, 140.66) (   0.52, 142.79)  242.26                80
 08/03/2025   16:16:42   (  -0.06, 140.65) (   0.63, 137.51)  357.76                80
 08/04/2025   15:55:17   (  -0.07, 140.63) (  -0.39, 142.04)  160.69                80
 08/06/2025   04:17:14   (   0.07, 140.58) (  -0.81, 136.74)  437.85                80
 08/07/2025   04:01:09   (   0.08, 140.55) (   0.21, 141.27)   81.23                80