Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 2 21.  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)
 02/22/2025   04:10:35   (  -0.01, 140.78) (  -0.51, 138.43)  267.15                80
 02/23/2025   03:54:30   (  -0.01, 140.78) (   0.48, 142.97)  249.11                80
 02/24/2025   16:16:18   (   0.01, 140.78) (   0.68, 137.69)  351.77                80
 02/25/2025   15:54:54   (   0.01, 140.78) (  -0.32, 142.22)  164.71                80
 02/27/2025   04:16:51   (  -0.01, 140.76) (  -0.87, 136.91)  438.86                80
 02/28/2025   04:00:47   (  -0.01, 140.75) (   0.13, 141.44)   78.27                80
 03/02/2025   16:03:51   (   0.00, 140.73) (   0.00, 140.69)    3.70                80
 03/05/2025   04:04:23   (  -0.00, 140.69) (  -0.17, 139.91)   88.50                80
 03/06/2025   03:48:19   (  -0.00, 140.67) (   0.84, 144.44)  429.31                80
 03/07/2025   16:10:06   (   0.01, 140.65) (   0.34, 139.17)  168.81                80