Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 1 9.  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)
 01/11/2024   16:02:15   (   0.05, 140.77) (   0.06, 140.64)   14.53                80
 01/14/2024   04:02:45   (  -0.05, 140.76) (  -0.26, 139.88)  100.18                80
 01/15/2024   03:46:41   (  -0.05, 140.75) (   0.79, 144.41)  417.64                80
 01/16/2024   16:08:27   (   0.05, 140.73) (   0.42, 139.15)  180.12                80
 01/17/2024   15:47:03   (   0.05, 140.71) (  -0.64, 143.68)  338.16                80
 01/19/2024   04:08:58   (  -0.05, 140.69) (  -0.54, 138.38)  263.36                80
 01/20/2024   03:52:52   (  -0.06, 140.68) (   0.46, 142.91)  255.36                80
 01/21/2024   16:14:39   (   0.06, 140.65) (   0.74, 137.66)  341.16                80
 01/22/2024   15:53:13   (   0.07, 140.63) (  -0.27, 142.19)  177.79                80