Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 4 28.  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)
 04/29/2024   04:15:46   (  -0.00, 140.76) (  -0.86, 136.89)  441.35                80
 04/30/2024   03:59:40   (  -0.01, 140.77) (   0.14, 141.43)   75.26                80
 05/02/2024   16:02:42   (   0.02, 140.76) (   0.01, 140.70)    7.29                80
 05/05/2024   04:03:11   (  -0.02, 140.76) (  -0.23, 139.95)   93.56                80
 05/06/2024   03:47:07   (  -0.02, 140.76) (   0.84, 144.47)  424.14                80
 05/07/2024   16:08:53   (   0.00, 140.74) (   0.35, 139.22)  173.69                80
 05/08/2024   15:47:27   (  -0.00, 140.73) (  -0.67, 143.75)  344.08                80
 05/10/2024   04:09:22   (   0.01, 140.73) (  -0.53, 138.46)  258.91                80
 05/11/2024   03:53:16   (   0.00, 140.72) (   0.50, 142.99)  259.51                80