Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 6 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)
 06/27/2025   16:10:15   (  -0.04, 140.77) (   0.36, 139.09)  192.44                80
 06/28/2025   15:48:51   (  -0.04, 140.76) (  -0.69, 143.61)  325.15                80
 06/30/2025   04:10:49   (   0.04, 140.73) (  -0.51, 138.30)  277.12                80
 07/01/2025   03:54:45   (   0.04, 140.71) (   0.54, 142.82)  241.29                80
 07/02/2025   16:16:32   (  -0.05, 140.68) (   0.67, 137.56)  355.67                80
 07/03/2025   15:55:09   (  -0.05, 140.65) (  -0.39, 142.08)  162.96                80
 07/05/2025   04:17:06   (   0.05, 140.62) (  -0.82, 136.77)  438.36                80
 07/06/2025   04:01:03   (   0.06, 140.59) (   0.24, 141.29)   80.65                80
 07/08/2025   16:01:27   (  -0.07, 140.52) (  -0.09, 140.55)    4.07                80