Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 3 14.  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, 140.72) (  -0.88, 136.89)  435.84                80
 03/16/2025   04:00:46   (  -0.01, 140.69) (   0.16, 141.42)   83.21                80
 03/18/2025   16:01:08   (   0.01, 140.63) (  -0.01, 140.68)    6.34                80
 03/21/2025   04:04:19   (  -0.01, 140.56) (  -0.18, 139.91)   74.51                80
 03/22/2025   03:48:15   (  -0.01, 140.53) (   0.88, 144.44)  445.18                80
 03/23/2025   16:10:01   (   0.01, 140.49) (   0.30, 139.17)  149.81                80
 03/24/2025   15:48:35   (   0.01, 140.46) (  -0.69, 143.71)  369.95                80
 03/26/2025   04:10:32   (  -0.01, 140.41) (  -0.46, 138.40)  229.19                80
 03/27/2025   03:54:26   (  -0.01, 140.37) (   0.55, 142.93)  291.34                80