Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 3 12.  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)
 03/13/2025   15:54:54   (   0.00, 140.74) (  -0.31, 142.20)  165.66                80
 03/15/2025   04:16:51   (  -0.01, 140.74) (  -0.84, 136.89)  438.11                80
 03/16/2025   04:00:46   (  -0.00, 140.72) (   0.14, 141.43)   79.50                80
 03/18/2025   16:03:48   (   0.00, 140.69) (   0.02, 140.69)    2.25                80
 03/21/2025   04:04:20   (  -0.00, 140.66) (  -0.16, 139.91)   85.60                80
 03/22/2025   03:48:14   (  -0.00, 140.65) (   0.83, 144.45)  432.57                80
 03/23/2025   16:10:02   (   0.01, 140.61) (   0.31, 139.17)  164.09                80
 03/24/2025   15:48:36   (   0.00, 140.60) (  -0.68, 143.71)  354.20                80
 03/26/2025   04:10:32   (  -0.01, 140.58) (  -0.48, 138.40)  247.90                80