Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 3 9.  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)
 03/10/2025   04:10:36   (  -0.03, 140.77) (  -0.58, 138.41)  268.48                80
 03/11/2025   03:54:32   (  -0.03, 140.76) (   0.45, 142.94)  248.56                80
 03/12/2025   16:16:19   (   0.04, 140.74) (   0.70, 137.67)  349.19                80
 03/13/2025   15:54:54   (   0.04, 140.73) (  -0.27, 142.21)  168.30                80
 03/15/2025   04:16:51   (  -0.04, 140.72) (  -0.87, 136.89)  435.36                80
 03/16/2025   04:00:45   (  -0.04, 140.70) (   0.10, 141.43)   82.76                80
 03/18/2025   16:01:07   (   0.04, 140.65) (   0.06, 140.70)    5.74                80
 03/21/2025   04:04:19   (  -0.04, 140.61) (  -0.20, 139.92)   79.64                80
 03/22/2025   03:48:14   (  -0.04, 140.59) (   0.79, 144.45)  439.06                80
 03/23/2025   16:10:01   (   0.05, 140.55) (   0.34, 139.18)  156.13                80