Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 2 22.  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)
 02/23/2025   03:54:31   (  -0.01, 140.78) (   0.50, 142.96)  249.22                80
 02/24/2025   16:16:18   (   0.01, 140.78) (   0.71, 137.70)  351.68                80
 02/25/2025   15:54:53   (   0.01, 140.78) (  -0.29, 142.23)  164.85                80
 02/27/2025   04:16:52   (  -0.01, 140.76) (  -0.85, 136.91)  438.65                80
 02/28/2025   04:00:47   (  -0.01, 140.75) (   0.15, 141.44)   78.49                80
 03/02/2025   16:03:50   (   0.01, 140.72) (   0.03, 140.70)    4.14                80
 03/05/2025   04:07:03   (  -0.01, 140.69) (  -0.20, 139.92)   88.15                80
 03/06/2025   03:48:18   (  -0.00, 140.67) (   0.81, 144.45)  429.74                80
 03/07/2025   16:10:06   (   0.01, 140.65) (   0.37, 139.18)  168.42                80