Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 11 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)
 11/29/2025   16:03:44   (   0.01, 140.76) (   0.04, 140.75)    3.33                80
 12/02/2025   04:04:21   (  -0.02, 140.76) (  -0.21, 139.96)   91.10                80
 12/03/2025   03:48:19   (  -0.02, 140.75) (   0.83, 144.48)  425.49                80
 12/04/2025   16:10:09   (   0.02, 140.72) (   0.34, 139.20)  173.08                80
 12/05/2025   15:48:46   (   0.02, 140.72) (  -0.64, 143.73)  343.36                80
 12/07/2025   04:13:25   (  -0.03, 140.72) (  -0.54, 138.42)  262.00                80
 12/08/2025   03:52:02   (  -0.02, 140.70) (   0.50, 142.94)  255.10                80
 12/09/2025   16:16:33   (   0.03, 140.67) (   0.67, 137.66)  341.78                80
 12/10/2025   15:55:09   (   0.02, 140.65) (  -0.31, 142.19)  175.82                80
 12/12/2025   04:19:48   (  -0.03, 140.63) (  -0.85, 136.88)  427.55                80