Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 9 29.  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)
 09/30/2025   03:48:16   (   0.02, 140.76) (   0.82, 144.41)  415.66                80
 10/01/2025   16:10:02   (  -0.02, 140.84) (   0.37, 139.15)  192.32                80
 10/02/2025   15:48:37   (  -0.02, 140.86) (  -0.65, 143.69)  321.89                80
 10/04/2025   04:10:31   (   0.03, 140.86) (  -0.55, 138.40)  281.73                80
 10/05/2025   03:54:26   (   0.03, 140.88) (   0.48, 142.93)  233.35                80
 10/06/2025   16:16:12   (  -0.03, 140.93) (   0.69, 137.66)  372.40                80
 10/07/2025   15:54:46   (  -0.03, 140.95) (  -0.28, 142.21)  142.70                80
 10/09/2025   04:16:40   (   0.03, 140.95) (  -0.91, 136.92)  460.60                80
 10/10/2025   04:00:34   (   0.02, 140.97) (   0.13, 141.45)   54.89                80
 10/12/2025   16:03:34   (  -0.03, 141.03) (   0.04, 140.72)   34.50                80
 10/13/2025   15:42:09   (  -0.03, 141.04) (  -1.01, 145.25)  480.98                80