Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 1 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)
 01/02/2025   16:10:52   (   0.01, 140.76) (   0.36, 139.08)  190.04                80
 01/03/2025   15:49:24   (   0.01, 140.75) (  -0.63, 143.63)  327.80                80
 01/05/2025   04:11:17   (  -0.01, 140.74) (  -0.54, 138.34)  273.30                80
 01/06/2025   03:55:09   (  -0.01, 140.73) (   0.46, 142.88)  245.25                80
 01/07/2025   16:16:54   (   0.01, 140.71) (   0.69, 137.62)  352.47                80
 01/08/2025   15:55:26   (   0.01, 140.70) (  -0.33, 142.16)  166.23                80
 01/10/2025   04:17:17   (  -0.00, 140.68) (  -0.84, 136.87)  434.07                80
 01/11/2025   04:01:09   (   0.00, 140.67) (   0.15, 141.42)   85.11                80
 01/13/2025   16:01:24   (  -0.01, 140.63) (   0.01, 140.71)    8.98                80