Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 11 7.  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)
 11/08/2025   15:54:07   (  -0.00, 140.78) (  -0.38, 142.39)  184.77                80
 11/10/2025   04:16:07   (  -0.00, 140.82) (  -0.82, 137.08)  425.66                80
 11/11/2025   04:00:05   (  -0.00, 140.83) (   0.18, 141.60)   88.43                80
 11/13/2025   16:00:33   (   0.00, 140.84) (   0.01, 140.85)    1.52                80
 11/16/2025   04:03:51   (  -0.01, 140.86) (  -0.19, 140.06)   92.07                80
 11/17/2025   03:47:48   (  -0.01, 140.87) (   0.83, 144.58)  423.48                80
 11/18/2025   16:09:38   (   0.02, 140.85) (   0.36, 139.30)  176.05                80
 11/19/2025   15:48:16   (   0.02, 140.85) (  -0.66, 143.83)  339.55                80
 11/21/2025   04:10:15   (  -0.03, 140.87) (  -0.57, 138.52)  268.10                80