Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 1 27.  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)
 01/27/2024   16:02:02   (   0.04, 140.80) (   0.06, 140.71)    9.43                80
 01/30/2024   04:02:31   (  -0.04, 140.76) (  -0.25, 139.96)   92.37                80
 01/31/2024   03:46:26   (  -0.04, 140.74) (   0.78, 144.49)  426.68                80
 02/01/2024   16:08:12   (   0.05, 140.71) (   0.37, 139.22)  168.76                80
 02/02/2024   15:46:45   (   0.05, 140.69) (  -0.61, 143.77)  350.42                80
 02/04/2024   04:08:41   (  -0.06, 140.67) (  -0.53, 138.47)  250.24                80
 02/05/2024   03:52:34   (  -0.06, 140.64) (   0.46, 143.01)  269.23                80
 02/06/2024   16:14:20   (   0.07, 140.60) (   0.68, 137.74)  325.52                80
 02/07/2024   15:52:54   (   0.07, 140.58) (  -0.31, 142.29)  193.98                80
 02/09/2024   04:17:28   (  -0.08, 140.56) (  -0.88, 136.99)  406.18                80