Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 11 14.  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)
 11/16/2025   04:03:51   (   0.01, 140.79) (  -0.18, 140.06)   84.48                80
 11/17/2025   03:47:48   (   0.00, 140.79) (   0.84, 144.58)  431.29                80
 11/18/2025   16:09:38   (   0.01, 140.78) (   0.34, 139.30)  168.68                80
 11/19/2025   15:48:16   (   0.01, 140.78) (  -0.69, 143.82)  347.02                80
 11/21/2025   04:10:15   (  -0.02, 140.79) (  -0.54, 138.52)  259.38                80
 11/22/2025   03:54:13   (  -0.01, 140.78) (   0.49, 143.04)  256.71                80
 11/23/2025   16:16:03   (   0.02, 140.76) (   0.68, 137.76)  342.37                80
 11/24/2025   15:54:41   (   0.01, 140.76) (  -0.35, 142.28)  173.77                80
 11/26/2025   04:19:20   (  -0.01, 140.76) (  -0.85, 136.97)  431.93                80
 11/27/2025   04:00:36   (  -0.01, 140.75) (   0.13, 141.50)   84.98                80