Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 7 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)
 07/05/2025   04:17:05   (  -0.01, 140.74) (  -0.87, 136.79)  450.50                80
 07/06/2025   04:01:01   (  -0.00, 140.75) (   0.13, 141.32)   64.84                80
 07/08/2025   16:04:05   (  -0.01, 140.76) (   0.02, 140.58)   20.83                80
 07/09/2025   15:42:40   (  -0.01, 140.77) (  -0.98, 145.11)  494.75                80
 07/11/2025   04:04:37   (   0.01, 140.78) (  -0.22, 139.80)  111.51                80
 07/12/2025   03:48:33   (   0.00, 140.78) (   0.79, 144.33)  404.70                80
 07/13/2025   16:10:21   (   0.00, 140.77) (   0.35, 139.06)  194.72                80
 07/14/2025   15:48:57   (   0.00, 140.77) (  -0.65, 143.59)  321.75                80
 07/16/2025   04:10:54   (  -0.00, 140.77) (  -0.54, 138.28)  283.55                80
 07/17/2025   03:54:50   (  -0.00, 140.77) (   0.46, 142.81)  233.48                80
 07/18/2025   16:16:37   (   0.01, 140.74) (   0.74, 137.55)  364.59                80