Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 1 16.  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)
 01/16/2024   16:08:28   (  -0.02, 140.77) (   0.38, 139.14)  185.71                80
 01/17/2024   15:47:03   (  -0.01, 140.76) (  -0.69, 143.67)  331.65                80
 01/19/2024   04:08:57   (   0.00, 140.75) (  -0.55, 138.38)  270.68                80
 01/20/2024   03:52:52   (  -0.01, 140.74) (   0.46, 142.92)  247.30                80
 01/21/2024   16:14:38   (   0.01, 140.73) (   0.72, 137.66)  351.19                80
 01/22/2024   15:53:13   (   0.01, 140.72) (  -0.29, 142.19)  166.64                80
 01/24/2024   04:15:08   (  -0.00, 140.71) (  -0.87, 136.89)  435.22                80
 01/25/2024   03:59:03   (   0.00, 140.69) (   0.15, 141.42)   83.24                80
 01/27/2024   15:59:23   (  -0.00, 140.65) (  -0.01, 140.70)    5.48                80