Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 8 10.  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)
 08/12/2025   04:04:43   (   0.03, 140.76) (  -0.19, 139.78)  111.84                80
 08/13/2025   03:48:38   (   0.03, 140.74) (   0.83, 144.31)  406.55                80
 08/14/2025   16:10:26   (  -0.04, 140.73) (   0.31, 139.03)  192.66                80
 08/15/2025   15:49:01   (  -0.04, 140.71) (  -0.65, 143.57)  325.62                80
 08/17/2025   04:10:57   (   0.04, 140.67) (  -0.51, 138.26)  274.61                80
 08/18/2025   03:54:53   (   0.04, 140.65) (   0.52, 142.79)  244.01                80
 08/19/2025   16:16:41   (  -0.05, 140.63) (   0.64, 137.52)  354.31                80
 08/20/2025   15:55:17   (  -0.05, 140.60) (  -0.39, 142.04)  164.57                80
 08/22/2025   04:17:12   (   0.06, 140.56) (  -0.82, 136.75)  434.50                80
 08/23/2025   04:01:07   (   0.06, 140.52) (   0.22, 141.28)   85.43                80