Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 8 24.  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   16:04:10   (  -0.03, 140.75) (  -0.02, 140.55)   22.08                80
 08/26/2025   15:42:44   (  -0.03, 140.73) (  -0.99, 145.09)  496.84                80
 08/28/2025   04:04:41   (   0.03, 140.69) (  -0.15, 139.78)  103.50                80
 08/29/2025   03:48:35   (   0.03, 140.67) (   0.82, 144.32)  415.68                80
 08/30/2025   16:10:24   (  -0.04, 140.63) (   0.33, 139.05)  181.12                80
 08/31/2025   15:48:59   (  -0.03, 140.61) (  -0.71, 143.57)  338.00                80
 09/02/2025   04:10:54   (   0.04, 140.57) (  -0.48, 138.27)  262.04                80
 09/03/2025   03:54:50   (   0.04, 140.54) (   0.56, 142.80)  257.55                80
 09/04/2025   16:16:38   (  -0.05, 140.49) (   0.60, 137.52)  338.13                80
 09/05/2025   15:55:13   (  -0.05, 140.46) (  -0.38, 142.06)  181.73                80
 09/07/2025   04:17:09   (   0.05, 140.42) (  -0.74, 136.75)  417.31                80