Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 10 26.  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)
 10/28/2025   16:00:29   (  -0.02, 140.76) (  -0.02, 140.84)    8.86                80
 10/31/2025   04:03:37   (   0.02, 140.79) (  -0.15, 140.09)   80.45                80
 11/01/2025   03:47:31   (   0.02, 140.79) (   0.86, 144.63)  436.85                80
 11/02/2025   16:09:16   (  -0.03, 140.77) (   0.26, 139.36)  159.66                80
 11/03/2025   15:47:49   (  -0.03, 140.77) (  -0.75, 143.90)  357.89                80
 11/05/2025   04:12:23   (   0.01, 140.78) (  -0.47, 138.62)  246.71                80
 11/06/2025   03:50:56   (  -0.00, 140.78) (   0.55, 143.16)  271.37                80
 11/07/2025   16:15:21   (   0.01, 140.75) (   0.63, 137.90)  324.35                80
 11/08/2025   15:53:54   (   0.00, 140.75) (  -0.39, 142.44)  193.38                80