Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 5 8.  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)
 05/10/2024   04:09:23   (   0.00, 140.83) (  -0.54, 138.46)  270.17                80
 05/11/2024   03:53:17   (   0.00, 140.85) (   0.47, 143.00)  244.07                80
 05/12/2024   16:15:04   (  -0.00, 140.86) (   0.72, 137.74)  356.57                80
 05/13/2024   15:53:38   (  -0.00, 140.88) (  -0.29, 142.28)  158.15                80
 05/15/2024   04:15:34   (  -0.00, 140.94) (  -0.86, 136.98)  451.05                80
 05/16/2024   03:59:27   (  -0.00, 140.95) (   0.10, 141.52)   64.45                80
 05/18/2024   16:02:28   (   0.00, 140.96) (   0.06, 140.80)   18.56                80
 05/19/2024   15:41:03   (  -0.00, 140.97) (  -0.96, 145.34)  497.58                80
 05/21/2024   04:02:57   (   0.00, 141.01) (  -0.24, 140.05)  110.04                80
 05/22/2024   03:46:51   (   0.00, 141.02) (   0.79, 144.58)  406.29                80