Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 8 23.  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)
 08/25/2025   16:04:09   (  -0.03, 140.74) (   0.02, 140.56)   21.07                80
 08/26/2025   15:42:45   (  -0.03, 140.72) (  -1.01, 145.09)  497.70                80
 08/28/2025   04:04:40   (   0.03, 140.68) (  -0.19, 139.79)  102.52                80
 08/29/2025   03:48:36   (   0.03, 140.66) (   0.84, 144.32)  416.70                80
 08/30/2025   16:10:24   (  -0.04, 140.62) (   0.31, 139.04)  180.11                80
 08/31/2025   15:48:59   (  -0.03, 140.60) (  -0.72, 143.57)  339.06                80
 09/02/2025   04:10:55   (   0.04, 140.56) (  -0.47, 138.27)  260.85                80
 09/03/2025   03:54:50   (   0.04, 140.53) (   0.57, 142.80)  258.77                80
 09/04/2025   16:16:39   (  -0.05, 140.48) (   0.59, 137.52)  336.97                80
 09/05/2025   15:55:13   (  -0.05, 140.45) (  -0.39, 142.06)  182.92                80