Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 1 31.  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)
 02/01/2025   04:04:02   (   0.03, 140.77) (  -0.11, 140.04)   82.61                80
 02/02/2025   03:47:59   (   0.03, 140.77) (   0.90, 144.56)  433.05                80
 02/03/2025   16:09:48   (  -0.03, 140.77) (   0.30, 139.29)  168.39                80
 02/04/2025   15:48:25   (  -0.03, 140.77) (  -0.72, 143.81)  347.45                80
 02/06/2025   04:10:22   (   0.02, 140.76) (  -0.49, 138.51)  257.74                80
 02/07/2025   03:54:18   (   0.02, 140.76) (   0.53, 143.03)  258.61                80
 02/08/2025   16:16:07   (   0.01, 140.75) (   0.69, 137.76)  341.17                80
 02/09/2025   15:54:43   (   0.01, 140.75) (  -0.35, 142.28)  175.39                80
 02/11/2025   04:16:41   (  -0.01, 140.74) (  -0.86, 136.97)  428.83                80
 02/12/2025   04:00:37   (  -0.01, 140.72) (   0.19, 141.50)   88.53                80
 02/14/2025   16:01:01   (   0.00, 140.68) (   0.01, 140.76)    8.84                80