Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 1 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)
 01/27/2025   04:00:32   (  -0.01, 140.77) (   0.19, 141.54)   89.10                80
 01/29/2025   16:00:47   (   0.01, 140.76) (  -0.04, 140.83)    9.00                80
 02/01/2025   04:03:51   (  -0.01, 140.74) (  -0.13, 140.09)   74.13                80
 02/02/2025   03:47:43   (  -0.00, 140.73) (   0.85, 144.64)  444.77                80
 02/03/2025   16:09:26   (   0.00, 140.71) (   0.31, 139.38)  152.05                80
 02/04/2025   15:47:59   (   0.00, 140.70) (  -0.73, 143.92)  366.96                80
 02/06/2025   04:09:50   (  -0.01, 140.68) (  -0.45, 138.63)  232.93                80
 02/07/2025   03:53:41   (  -0.01, 140.66) (   0.53, 143.18)  286.50                80
 02/08/2025   16:15:25   (   0.01, 140.64) (   0.61, 137.92)  309.24                80
 02/09/2025   15:53:56   (   0.01, 140.62) (  -0.38, 142.47)  210.44                80