Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 4 2.  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)
 04/03/2025   16:03:33   (   0.03, 140.79) (   0.01, 140.74)    6.28                80
 04/06/2025   04:04:01   (  -0.04, 140.78) (  -0.23, 139.99)   91.47                80
 04/07/2025   03:47:55   (  -0.04, 140.78) (   0.81, 144.51)  426.06                80
 04/08/2025   16:09:41   (   0.05, 140.77) (   0.38, 139.26)  172.86                80
 04/09/2025   15:48:14   (   0.05, 140.76) (  -0.60, 143.80)  345.12                80
 04/11/2025   04:10:08   (  -0.05, 140.74) (  -0.57, 138.50)  255.94                80
 04/12/2025   03:54:03   (  -0.05, 140.73) (   0.49, 143.03)  262.71                80
 04/13/2025   16:15:48   (   0.05, 140.71) (   0.70, 137.77)  334.61                80
 04/14/2025   15:54:22   (   0.05, 140.69) (  -0.29, 142.31)  184.13                80
 04/16/2025   04:16:16   (  -0.05, 140.66) (  -0.85, 137.01)  416.15                80