Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 5 29.  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)
 05/30/2025   03:54:24   (   0.02, 140.78) (   0.48, 142.92)  244.27                80
 05/31/2025   16:16:13   (  -0.01, 140.78) (   0.70, 137.65)  357.21                80
 06/01/2025   15:54:50   (   0.00, 140.78) (  -0.34, 142.17)  159.57                80
 06/03/2025   04:16:47   (  -0.01, 140.76) (  -0.86, 136.86)  443.40                80
 06/04/2025   04:00:42   (  -0.01, 140.75) (   0.12, 141.40)   73.98                80
 06/06/2025   16:03:48   (   0.01, 140.72) (   0.00, 140.64)    8.45                80
 06/09/2025   04:04:22   (   0.01, 140.68) (  -0.15, 139.86)   92.75                80
 06/10/2025   03:48:18   (   0.01, 140.66) (   0.83, 144.39)  425.20                80
 06/11/2025   16:10:07   (  -0.01, 140.64) (   0.32, 139.11)  173.34                80
 06/12/2025   15:48:42   (  -0.00, 140.62) (  -0.67, 143.65)  344.78                80