Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 5 3.  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)
 05/05/2025   16:03:17   (   0.03, 140.77) (  -0.00, 140.78)    3.65                80
 05/08/2025   04:03:51   (  -0.03, 140.75) (  -0.19, 140.00)   85.61                80
 05/09/2025   03:47:48   (  -0.03, 140.74) (   0.83, 144.53)  431.67                80
 05/10/2025   16:09:38   (   0.02, 140.71) (   0.34, 139.24)  167.23                80
 05/11/2025   15:48:15   (   0.02, 140.70) (  -0.68, 143.77)  350.14                80
 05/13/2025   04:10:12   (  -0.01, 140.68) (  -0.51, 138.46)  253.37                80
 05/14/2025   03:54:08   (  -0.01, 140.67) (   0.51, 142.98)  264.36                80
 05/15/2025   16:13:19   (   0.01, 140.63) (   0.64, 137.70)  333.68                80
 05/16/2025   15:54:34   (   0.01, 140.62) (  -0.33, 142.24)  184.29                80