Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 11 29.  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)
 12/02/2025   04:04:22   (  -0.02, 140.77) (  -0.17, 139.95)   93.06                80
 12/03/2025   03:48:18   (  -0.02, 140.77) (   0.80, 144.49)  422.91                80
 12/04/2025   16:10:09   (   0.03, 140.76) (   0.36, 139.21)  176.68                80
 12/05/2025   15:48:45   (   0.02, 140.76) (  -0.62, 143.74)  339.06                80
 12/07/2025   04:10:44   (  -0.03, 140.77) (  -0.57, 138.43)  267.36                80
 12/08/2025   03:52:02   (  -0.02, 140.76) (   0.47, 142.95)  249.08                80
 12/09/2025   16:16:32   (   0.03, 140.73) (   0.70, 137.67)  348.77                80
 12/10/2025   15:55:09   (   0.02, 140.72) (  -0.29, 142.20)  168.15                80
 12/12/2025   04:19:48   (  -0.03, 140.71) (  -0.88, 136.88)  436.34                80
 12/13/2025   03:58:25   (  -0.02, 140.69) (   0.11, 141.41)   81.49                80