Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 1 11.  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, 140.78) (   0.09, 140.65)   14.99                80
 01/14/2024   04:02:46   (  -0.05, 140.76) (  -0.23, 139.88)  100.43                80
 01/15/2024   03:46:40   (  -0.05, 140.75) (   0.77, 144.41)  417.46                80
 01/16/2024   16:08:28   (   0.05, 140.73) (   0.38, 139.14)  180.21                80
 01/17/2024   15:47:02   (   0.05, 140.72) (  -0.62, 143.68)  338.15                80
 01/19/2024   04:08:57   (  -0.06, 140.69) (  -0.56, 138.38)  263.15                80
 01/20/2024   03:52:52   (  -0.06, 140.68) (   0.45, 142.92)  255.64                80
 01/21/2024   16:14:38   (   0.06, 140.65) (   0.75, 137.66)  340.75                80
 01/22/2024   15:53:13   (   0.07, 140.63) (  -0.26, 142.20)  178.29                80
 01/24/2024   04:15:08   (  -0.07, 140.60) (  -0.91, 136.90)  422.07                80