Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 10 8.  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)
 10/09/2025   04:16:41   (   0.01, 140.65) (  -0.84, 136.91)  427.27                80
 10/10/2025   04:00:35   (   0.01, 140.62) (   0.20, 141.44)   93.79                80
 10/12/2025   16:00:55   (  -0.01, 140.59) (  -0.04, 140.71)   13.60                80
 10/15/2025   04:04:04   (   0.01, 140.43) (  -0.11, 139.95)   54.76                80
 10/16/2025   03:47:58   (   0.01, 140.38) (   0.93, 144.48)  467.42                80
 10/17/2025   16:09:44   (  -0.01, 140.37) (   0.25, 139.22)  130.92                80
 10/18/2025   15:48:18   (  -0.01, 140.32) (  -0.80, 143.75)  391.42                80
 10/20/2025   04:10:12   (   0.01, 140.18) (  -0.39, 138.46)  196.83                80
 10/21/2025   03:54:07   (   0.01, 140.13) (   0.66, 142.99)  326.51                80
 10/22/2025   16:15:52   (  -0.01, 140.10) (   0.51, 137.73)  269.49                80