Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 11 11.  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)
 11/13/2025   16:00:33   (  -0.01, 140.81) (   0.00, 140.85)    4.95                80
 11/16/2025   04:03:51   (   0.01, 140.83) (  -0.18, 140.06)   88.90                80
 11/17/2025   03:47:48   (   0.01, 140.83) (   0.83, 144.58)  426.58                80
 11/18/2025   16:09:38   (   0.01, 140.82) (   0.35, 139.30)  173.34                80
 11/19/2025   15:48:16   (   0.01, 140.83) (  -0.67, 143.83)  342.08                80
 11/21/2025   04:10:15   (  -0.01, 140.84) (  -0.56, 138.52)  265.15                80
 11/22/2025   03:54:13   (  -0.01, 140.84) (   0.47, 143.04)  250.70                80
 11/23/2025   16:16:03   (   0.02, 140.82) (   0.70, 137.76)  348.28                80
 11/24/2025   15:54:41   (   0.01, 140.81) (  -0.32, 142.28)  167.55                80