Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 1 13.  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)
 01/14/2024   04:02:46   (  -0.04, 140.77) (  -0.22, 139.87)  102.19                80
 01/15/2024   03:46:40   (  -0.04, 140.77) (   0.78, 144.41)  415.16                80
 01/16/2024   16:08:27   (   0.04, 140.76) (   0.42, 139.15)  183.20                80
 01/17/2024   15:47:02   (   0.04, 140.75) (  -0.64, 143.68)  334.60                80
 01/19/2024   04:08:57   (  -0.04, 140.73) (  -0.60, 138.39)  267.67                80
 01/20/2024   03:52:52   (  -0.05, 140.72) (   0.47, 142.91)  250.59                80
 01/21/2024   16:14:38   (   0.05, 140.70) (   0.72, 137.66)  346.47                80
 01/22/2024   15:53:13   (   0.06, 140.68) (  -0.29, 142.19)  172.00                80
 01/24/2024   04:15:07   (  -0.06, 140.66) (  -0.93, 136.90)  429.29                80
 01/25/2024   03:59:02   (  -0.07, 140.64) (   0.09, 141.44)   89.80                80