Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 3 13.  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)
 03/15/2025   04:16:51   (  -0.01, 140.74) (  -0.88, 136.89)  438.01                80
 03/16/2025   04:00:46   (  -0.00, 140.72) (   0.16, 141.42)   79.57                80
 03/18/2025   16:01:08   (   0.00, 140.69) (  -0.01, 140.68)    1.65                80
 03/21/2025   04:04:19   (  -0.00, 140.66) (  -0.19, 139.91)   85.62                80
 03/22/2025   03:48:15   (  -0.00, 140.65) (   0.87, 144.44)  432.55                80
 03/23/2025   16:10:01   (   0.01, 140.62) (   0.32, 139.18)  164.22                80
 03/24/2025   15:48:35   (   0.01, 140.60) (  -0.67, 143.71)  354.05                80
 03/26/2025   04:10:32   (  -0.01, 140.58) (  -0.48, 138.40)  247.92                80
 03/27/2025   03:54:26   (  -0.01, 140.56) (   0.52, 142.94)  271.10                80