Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 10 22.  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)
 10/23/2025   15:54:23   (  -0.01, 140.74) (  -0.37, 142.31)  179.22                80
 10/25/2025   04:16:18   (   0.01, 140.74) (  -0.81, 137.01)  424.53                80
 10/26/2025   04:00:11   (   0.00, 140.74) (   0.19, 141.55)   93.26                80
 10/28/2025   16:00:30   (  -0.00, 140.71) (  -0.06, 140.83)   14.55                80
 10/31/2025   04:03:38   (   0.00, 140.70) (  -0.10, 140.08)   70.22                80
 11/01/2025   03:47:31   (   0.00, 140.68) (   0.91, 144.62)  448.63                80
 11/02/2025   16:09:16   (  -0.00, 140.65) (   0.27, 139.36)  146.72                80
 11/03/2025   15:47:49   (  -0.00, 140.64) (  -0.74, 143.90)  372.34                80
 11/05/2025   04:09:42   (   0.00, 140.62) (  -0.48, 138.62)  229.28                80