Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 10 27.  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   16:00:30   (  -0.02, 140.76) (  -0.05, 140.83)    8.88                80
 10/31/2025   04:03:38   (   0.02, 140.79) (  -0.12, 140.08)   80.14                80
 11/01/2025   03:47:31   (   0.02, 140.79) (   0.90, 144.62)  437.20                80
 11/02/2025   16:09:15   (  -0.02, 140.77) (   0.29, 139.37)  159.35                80
 11/03/2025   15:47:49   (  -0.02, 140.76) (  -0.73, 143.91)  358.38                80
 11/05/2025   04:09:42   (  -0.02, 140.78) (  -0.50, 138.62)  245.60                80
 11/06/2025   03:53:36   (  -0.02, 140.78) (   0.52, 143.16)  272.17                80
 11/07/2025   16:15:20   (   0.02, 140.75) (   0.65, 137.91)  323.69                80
 11/08/2025   15:53:54   (   0.01, 140.75) (  -0.37, 142.45)  194.06                80
 11/10/2025   04:18:27   (  -0.02, 140.76) (  -0.84, 137.16)  410.15                80