Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 4 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)
 04/03/2025   16:03:32   (   0.03, 140.79) (   0.04, 140.74)    5.32                80
 04/06/2025   04:04:01   (  -0.04, 140.78) (  -0.20, 139.98)   91.35                80
 04/07/2025   03:47:55   (  -0.04, 140.78) (   0.78, 144.52)  426.22                80
 04/08/2025   16:09:41   (   0.05, 140.77) (   0.36, 139.25)  172.66                80
 04/09/2025   15:48:15   (   0.05, 140.76) (  -0.63, 143.79)  345.37                80
 04/11/2025   04:10:09   (  -0.05, 140.74) (  -0.54, 138.49)  255.63                80
 04/12/2025   03:54:02   (  -0.05, 140.72) (   0.45, 143.03)  263.03                80
 04/13/2025   16:15:49   (   0.05, 140.70) (   0.69, 137.76)  334.24                80
 04/14/2025   15:54:22   (   0.05, 140.68) (  -0.31, 142.30)  184.51                80