Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 3 25.  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)
 03/26/2025   04:10:29   (  -0.02, 140.77) (  -0.53, 138.42)  267.14                80
 03/27/2025   03:54:24   (  -0.02, 140.76) (   0.49, 142.95)  250.22                80
 03/28/2025   16:16:09   (   0.02, 140.75) (   0.72, 137.70)  348.21                80
 03/29/2025   15:54:44   (   0.02, 140.74) (  -0.31, 142.23)  169.30                80
 03/31/2025   04:16:39   (  -0.02, 140.73) (  -0.86, 136.93)  433.44                80
 04/01/2025   04:00:33   (  -0.01, 140.72) (   0.18, 141.46)   84.54                80
 04/03/2025   16:00:53   (   0.01, 140.69) (  -0.02, 140.73)    5.93                80
 04/06/2025   04:04:01   (  -0.02, 140.66) (  -0.17, 139.97)   78.09                80
 04/07/2025   03:47:55   (  -0.02, 140.64) (   0.82, 144.51)  441.06                80
 04/08/2025   16:09:41   (   0.02, 140.60) (   0.30, 139.24)  154.22                80