Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 4 23.  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)
 04/24/2024   04:09:33   (  -0.01, 140.75) (  -0.56, 138.39)  270.61                80
 04/25/2024   03:53:28   (  -0.00, 140.75) (   0.48, 142.91)  246.65                80
 04/26/2024   16:15:16   (   0.00, 140.74) (   0.70, 137.65)  352.45                80
 04/27/2024   15:53:51   (  -0.00, 140.74) (  -0.35, 142.18)  164.81                80
 04/29/2024   04:15:46   (  -0.00, 140.73) (  -0.84, 136.88)  437.94                80
 04/30/2024   03:59:41   (  -0.00, 140.72) (   0.16, 141.42)   79.78                80
 05/02/2024   16:00:03   (   0.00, 140.69) (  -0.01, 140.69)    1.27                80
 05/05/2024   04:03:13   (  -0.00, 140.66) (  -0.14, 139.93)   82.67                80
 05/06/2024   03:47:07   (  -0.00, 140.64) (   0.88, 144.46)  436.32                80
 05/07/2024   16:08:53   (  -0.00, 140.61) (   0.32, 139.21)  159.79                80