Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 8 1.  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)
 08/02/2025   03:54:53   (  -0.00, 140.73) (   0.47, 142.80)  236.50                80
 08/03/2025   16:16:40   (  -0.01, 140.73) (   0.73, 137.54)  364.26                80
 08/04/2025   15:55:15   (  -0.01, 140.72) (  -0.29, 142.07)  152.66                80
 08/06/2025   04:17:13   (   0.00, 140.71) (  -0.85, 136.75)  450.23                80
 08/07/2025   04:01:07   (  -0.00, 140.70) (   0.11, 141.29)   67.26                80
 08/09/2025   16:04:11   (   0.01, 140.68) (   0.01, 140.55)   14.40                80
 08/12/2025   04:04:43   (  -0.01, 140.64) (  -0.18, 139.77)   97.96                80
 08/13/2025   03:48:37   (  -0.01, 140.62) (   0.79, 144.31)  420.48                80
 08/14/2025   16:10:26   (   0.01, 140.59) (   0.36, 139.04)  177.20                80