Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 4 7.  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)
 04/08/2025   16:09:41   (   0.05, 140.78) (   0.37, 139.25)  173.92                80
 04/09/2025   15:48:14   (   0.05, 140.78) (  -0.62, 143.80)  343.83                80
 04/11/2025   04:10:08   (  -0.05, 140.75) (  -0.55, 138.50)  257.09                80
 04/12/2025   03:54:02   (  -0.05, 140.74) (   0.45, 143.04)  261.34                80
 04/13/2025   16:15:47   (   0.05, 140.73) (   0.74, 137.78)  336.84                80
 04/14/2025   15:54:22   (   0.05, 140.72) (  -0.32, 142.31)  181.68                80
 04/16/2025   04:16:15   (  -0.05, 140.69) (  -0.88, 137.02)  418.56                80
 04/17/2025   04:00:09   (  -0.05, 140.67) (   0.13, 141.56)  100.39                80
 04/18/2025   16:21:54   (   0.05, 140.65) (   1.05, 136.30)  496.91                80
 04/19/2025   16:00:27   (   0.06, 140.63) (   0.04, 140.83)   22.35                80