Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 1 17.  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)
 01/19/2024   04:08:57   (   0.00, 140.75) (  -0.54, 138.38)  269.94                80
 01/20/2024   03:52:52   (  -0.01, 140.74) (   0.47, 142.92)  248.21                80
 01/21/2024   16:14:38   (   0.01, 140.72) (   0.72, 137.66)  349.60                80
 01/22/2024   15:53:13   (   0.01, 140.71) (  -0.30, 142.19)  168.44                80
 01/24/2024   04:15:08   (  -0.00, 140.69) (  -0.87, 136.89)  433.46                80
 01/25/2024   03:59:03   (   0.00, 140.67) (   0.15, 141.42)   85.23                80
 01/27/2024   15:59:23   (  -0.01, 140.62) (  -0.01, 140.70)    8.52                80
 01/30/2024   04:02:33   (   0.01, 140.56) (  -0.11, 139.93)   71.92                80
 01/31/2024   03:46:27   (   0.01, 140.53) (   0.86, 144.47)  448.21                80