Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 3 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)
 03/07/2025   16:10:04   (   0.02, 140.76) (   0.38, 139.19)  179.34                80
 03/08/2025   15:48:40   (   0.02, 140.76) (  -0.64, 143.72)  337.00                80
 03/10/2025   04:10:36   (  -0.03, 140.76) (  -0.58, 138.42)  268.44                80
 03/11/2025   03:54:32   (  -0.03, 140.76) (   0.45, 142.94)  248.77                80
 03/12/2025   16:16:19   (   0.03, 140.73) (   0.71, 137.67)  348.29                80
 03/13/2025   15:54:55   (   0.03, 140.72) (  -0.32, 142.20)  169.35                80
 03/15/2025   04:19:31   (  -0.03, 140.71) (  -0.89, 136.89)  434.39                80
 03/16/2025   03:58:06   (  -0.03, 140.69) (   0.15, 141.42)   83.87                80
 03/18/2025   16:01:08   (   0.03, 140.63) (   0.02, 140.69)    6.69                80