Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 8 7.  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)
 08/09/2025   16:04:10   (   0.02, 140.78) (   0.05, 140.56)   25.35                80
 08/10/2025   15:42:46   (   0.03, 140.78) (  -0.97, 145.09)  491.21                80
 08/12/2025   04:04:42   (  -0.03, 140.77) (  -0.22, 139.78)  112.24                80
 08/13/2025   03:48:37   (  -0.03, 140.77) (   0.75, 144.32)  404.89                80
 08/14/2025   16:10:25   (   0.03, 140.76) (   0.40, 139.05)  194.76                80
 08/15/2025   15:49:00   (   0.03, 140.75) (  -0.62, 143.58)  322.26                80
 08/17/2025   04:10:56   (  -0.04, 140.74) (  -0.61, 138.28)  280.83                80
 08/18/2025   03:54:51   (  -0.04, 140.73) (   0.42, 142.81)  236.65                80
 08/19/2025   16:16:40   (   0.05, 140.72) (   0.74, 137.54)  361.97                80
 08/20/2025   15:55:14   (   0.05, 140.71) (  -0.23, 142.08)  155.75                80