Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 8 30.  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)
 08/31/2025   15:48:58   (   0.00, 140.76) (  -0.65, 143.59)  323.12                80
 09/02/2025   04:10:53   (   0.00, 140.77) (  -0.53, 138.29)  283.07                80
 09/03/2025   03:54:48   (   0.00, 140.78) (   0.45, 142.83)  233.03                80
 09/04/2025   16:16:36   (  -0.00, 140.77) (   0.69, 137.55)  366.90                80
 09/05/2025   15:55:11   (  -0.00, 140.78) (  -0.30, 142.09)  149.54                80
 09/07/2025   04:17:06   (   0.00, 140.79) (  -0.87, 136.79)  455.36                80
 09/08/2025   04:01:01   (   0.00, 140.78) (   0.12, 141.32)   61.66                80
 09/10/2025   16:04:03   (  -0.00, 140.76) (   0.02, 140.58)   19.63                80
 09/11/2025   15:42:38   (  -0.00, 140.75) (  -0.98, 145.12)  497.67                80
 09/13/2025   04:04:32   (  -0.00, 140.76) (  -0.24, 139.83)  106.35                80