Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 1 6.  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)
 01/07/2025   16:16:56   (  -0.00, 140.76) (   0.71, 137.61)  358.65                80
 01/08/2025   15:55:29   (  -0.00, 140.76) (  -0.33, 142.15)  158.55                80
 01/10/2025   04:17:22   (   0.00, 140.77) (  -0.85, 136.86)  445.18                80
 01/11/2025   04:01:14   (   0.00, 140.76) (   0.14, 141.40)   72.44                80
 01/13/2025   16:04:12   (   0.01, 140.74) (  -0.01, 140.67)    7.86                80
 01/16/2025   04:04:36   (  -0.01, 140.73) (  -0.21, 139.94)   90.71                80
 01/17/2025   03:48:29   (  -0.01, 140.71) (   0.86, 144.47)  428.40                80
 01/18/2025   16:10:13   (   0.01, 140.68) (   0.36, 139.22)  166.78                80
 01/19/2025   15:48:46   (   0.01, 140.66) (  -0.71, 143.75)  352.70                80