Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 10 20.  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)
 10/22/2024   04:17:30   (   0.05, 140.76) (  -0.79, 136.94)  434.97                80
 10/23/2024   04:01:25   (   0.05, 140.75) (   0.22, 141.47)   82.33                80
 10/25/2024   16:01:48   (  -0.06, 140.73) (  -0.05, 140.75)    1.96                80
 10/28/2024   04:05:00   (   0.06, 140.69) (  -0.13, 139.98)   81.39                80
 10/29/2024   03:48:55   (   0.06, 140.67) (   0.91, 144.51)  437.62                80
 10/30/2024   16:10:43   (  -0.06, 140.64) (   0.25, 139.25)  158.57                80
 10/31/2024   15:49:18   (  -0.06, 140.62) (  -0.79, 143.78)  360.61                80
 11/02/2024   04:11:14   (   0.06, 140.59) (  -0.43, 138.49)  239.35                80
 11/03/2024   03:55:09   (   0.06, 140.56) (   0.62, 143.02)  280.22                80