Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 5 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)
 05/29/2025   04:10:28   (   0.00, 140.78) (  -0.52, 138.39)  271.36                80
 05/30/2025   03:54:24   (   0.01, 140.78) (   0.51, 142.92)  244.53                80
 05/31/2025   16:16:14   (  -0.01, 140.78) (   0.67, 137.64)  357.14                80
 06/01/2025   15:54:49   (  -0.02, 140.77) (  -0.31, 142.18)  159.37                80
 06/03/2025   04:16:47   (   0.02, 140.76) (  -0.83, 136.86)  443.73                80
 06/04/2025   04:00:43   (   0.02, 140.74) (   0.14, 141.39)   73.59                80
 06/06/2025   16:03:49   (  -0.02, 140.71) (  -0.02, 140.64)    8.44                80
 06/09/2025   04:04:23   (   0.03, 140.67) (  -0.14, 139.85)   92.76                80
 06/10/2025   03:48:19   (   0.03, 140.65) (   0.90, 144.38)  425.17                80
 06/11/2025   16:10:07   (  -0.04, 140.63) (   0.31, 139.11)  173.35                80