Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 2 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)
 02/27/2025   04:16:51   (  -0.02, 140.75) (  -0.86, 136.91)  437.72                80
 02/28/2025   03:58:07   (  -0.02, 140.74) (   0.15, 141.44)   79.64                80
 03/02/2025   16:03:50   (   0.02, 140.71) (   0.02, 140.70)    1.78                80
 03/05/2025   04:07:03   (  -0.02, 140.67) (  -0.18, 139.92)   85.83                80
 03/06/2025   03:45:38   (  -0.01, 140.65) (   0.84, 144.44)  432.22                80
 03/07/2025   16:10:05   (   0.02, 140.63) (   0.32, 139.17)  165.65                80
 03/08/2025   15:48:40   (   0.02, 140.61) (  -0.65, 143.71)  352.71                80
 03/10/2025   04:13:17   (  -0.03, 140.58) (  -0.50, 138.40)  247.97                80
 03/11/2025   03:51:53   (  -0.02, 140.55) (   0.54, 142.92)  271.24                80