Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 8 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)
 08/06/2025   04:17:12   (  -0.01, 140.78) (  -0.88, 136.76)  457.21                80
 08/07/2025   04:01:07   (  -0.01, 140.78) (   0.08, 141.30)   58.84                80
 08/09/2025   16:04:11   (   0.02, 140.79) (   0.04, 140.55)   26.15                80
 08/10/2025   15:42:45   (   0.02, 140.79) (  -0.92, 145.10)  490.35                80
 08/12/2025   04:04:41   (  -0.02, 140.78) (  -0.26, 139.79)  113.61                80
 08/13/2025   03:48:37   (  -0.02, 140.78) (   0.76, 144.32)  403.33                80
 08/14/2025   16:10:25   (   0.02, 140.77) (   0.39, 139.04)  196.22                80
 08/15/2025   15:49:01   (   0.02, 140.77) (  -0.64, 143.57)  320.63                80
 08/17/2025   04:10:56   (  -0.03, 140.76) (  -0.59, 138.28)  283.00                80
 08/18/2025   03:54:52   (  -0.03, 140.75) (   0.44, 142.81)  234.27                80