Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 9 25.  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)
 09/26/2025   16:03:53   (  -0.01, 140.76) (   0.02, 140.64)   14.39                80
 09/29/2025   04:04:22   (   0.02, 140.72) (  -0.15, 139.87)   96.27                80
 09/30/2025   03:48:17   (   0.01, 140.72) (   0.87, 144.40)  420.58                80
 10/01/2025   16:10:03   (  -0.02, 140.77) (   0.33, 139.14)  185.43                80
 10/02/2025   15:48:38   (  -0.02, 140.77) (  -0.70, 143.68)  331.45                80
 10/04/2025   04:10:32   (   0.02, 140.72) (  -0.50, 138.38)  266.12                80
 10/05/2025   03:54:27   (   0.02, 140.71) (   0.53, 142.92)  251.69                80
 10/06/2025   16:16:13   (  -0.02, 140.75) (   0.64, 137.65)  351.99                80
 10/07/2025   15:54:46   (  -0.02, 140.74) (  -0.33, 142.20)  165.72                80
 10/09/2025   04:16:41   (   0.02, 140.68) (  -0.86, 136.90)  431.65                80