Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 3 11.  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)
 03/12/2025   16:16:19   (   0.01, 140.75) (   0.69, 137.67)  351.09                80
 03/13/2025   15:54:55   (   0.00, 140.74) (  -0.34, 142.19)  165.95                80
 03/15/2025   04:16:51   (  -0.00, 140.73) (  -0.86, 136.89)  437.86                80
 03/16/2025   04:00:47   (  -0.00, 140.72) (   0.18, 141.42)   79.88                80
 03/18/2025   16:01:09   (   0.00, 140.68) (  -0.01, 140.68)    1.61                80
 03/21/2025   04:04:19   (  -0.00, 140.65) (  -0.19, 139.91)   84.63                80
 03/22/2025   03:48:15   (  -0.00, 140.63) (   0.86, 144.44)  433.68                80
 03/23/2025   16:10:01   (   0.00, 140.60) (   0.33, 139.17)  162.58                80
 03/24/2025   15:48:37   (   0.00, 140.58) (  -0.72, 143.70)  355.83                80