Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 2 1.  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)
 02/02/2025   03:47:59   (   0.03, 140.77) (   0.89, 144.57)  432.28                80
 02/03/2025   16:09:48   (  -0.03, 140.77) (   0.31, 139.29)  169.39                80
 02/04/2025   15:48:24   (  -0.03, 140.78) (  -0.71, 143.81)  346.05                80
 02/06/2025   04:10:22   (   0.02, 140.79) (  -0.52, 138.51)  260.11                80
 02/07/2025   03:54:18   (   0.01, 140.79) (   0.51, 143.03)  255.88                80
 02/08/2025   16:16:08   (   0.01, 140.78) (   0.66, 137.75)  344.23                80
 02/09/2025   15:54:43   (   0.01, 140.78) (  -0.31, 142.29)  171.89                80
 02/11/2025   04:16:41   (  -0.01, 140.78) (  -0.85, 136.97)  433.36                80
 02/12/2025   04:00:37   (  -0.01, 140.77) (   0.13, 141.50)   83.61                80
 02/14/2025   16:01:03   (   0.00, 140.72) (  -0.02, 140.74)    3.79                80