Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 3 28.  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)
 03/29/2025   15:54:44   (   0.02, 140.77) (  -0.33, 142.23)  166.63                80
 03/31/2025   04:16:38   (  -0.02, 140.77) (  -0.90, 136.94)  437.22                80
 04/01/2025   04:00:33   (  -0.02, 140.77) (   0.13, 141.47)   79.18                80
 04/03/2025   16:03:33   (   0.02, 140.79) (   0.03, 140.74)    5.35                80
 04/06/2025   04:04:00   (  -0.03, 140.78) (  -0.24, 139.99)   91.09                80
 04/07/2025   03:47:55   (  -0.03, 140.77) (   0.81, 144.51)  426.57                80
 04/08/2025   16:09:40   (   0.03, 140.77) (   0.38, 139.26)  172.27                80
 04/09/2025   15:48:15   (   0.03, 140.76) (  -0.67, 143.78)  345.80                80
 04/11/2025   04:10:08   (  -0.03, 140.73) (  -0.54, 138.50)  254.89                80