Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 10 4.  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)
 10/05/2025   03:54:26   (   0.03, 140.75) (   0.52, 142.92)  247.75                80
 10/06/2025   16:16:13   (  -0.03, 140.71) (   0.64, 137.66)  347.46                80
 10/07/2025   15:54:46   (  -0.03, 140.68) (  -0.34, 142.20)  172.23                80
 10/09/2025   04:16:41   (   0.03, 140.65) (  -0.79, 136.89)  427.59                80
 10/10/2025   04:00:35   (   0.03, 140.62) (   0.19, 141.44)   92.35                80
 10/12/2025   16:00:56   (  -0.04, 140.55) (  -0.10, 140.70)   18.10                80
 10/15/2025   04:04:04   (   0.05, 140.48) (  -0.08, 139.95)   60.83                80
 10/16/2025   03:47:58   (   0.05, 140.44) (   0.97, 144.48)  460.26                80
 10/17/2025   16:09:43   (  -0.05, 140.37) (   0.20, 139.22)  131.60                80
 10/18/2025   15:48:17   (  -0.05, 140.33) (  -0.80, 143.76)  389.98                80