Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 2 16.  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)
 02/17/2025   04:04:17   (   0.01, 140.78) (  -0.16, 139.96)   93.23                80
 02/18/2025   03:48:12   (   0.01, 140.78) (   0.82, 144.49)  422.55                80
 02/19/2025   16:10:01   (  -0.01, 140.78) (   0.36, 139.22)  178.38                80
 02/20/2025   15:48:37   (  -0.01, 140.78) (  -0.69, 143.74)  337.55                80
 02/22/2025   04:10:35   (  -0.00, 140.79) (  -0.52, 138.43)  267.88                80
 02/23/2025   03:54:30   (  -0.00, 140.78) (   0.47, 142.97)  248.37                80
 02/24/2025   16:16:18   (   0.01, 140.78) (   0.69, 137.69)  351.65                80
 02/25/2025   15:54:54   (   0.00, 140.77) (  -0.31, 142.22)  164.79                80
 02/27/2025   04:16:51   (  -0.00, 140.77) (  -0.88, 136.91)  439.91                80
 02/28/2025   04:00:47   (  -0.00, 140.76) (   0.12, 141.44)   77.25                80
 03/02/2025   16:03:51   (   0.00, 140.73) (   0.01, 140.69)    3.83                80