Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 2 17.  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)
 02/18/2025   03:48:13   (   0.01, 140.78) (   0.84, 144.49)  422.67                80
 02/19/2025   16:10:01   (  -0.01, 140.78) (   0.34, 139.22)  178.50                80
 02/20/2025   15:48:37   (  -0.00, 140.78) (  -0.65, 143.75)  337.39                80
 02/22/2025   04:10:35   (  -0.00, 140.79) (  -0.50, 138.43)  267.86                80
 02/23/2025   03:54:30   (  -0.00, 140.78) (   0.49, 142.96)  248.39                80
 02/24/2025   16:16:18   (   0.01, 140.78) (   0.72, 137.70)  351.86                80
 02/25/2025   15:54:54   (   0.00, 140.78) (  -0.34, 142.22)  164.59                80
 02/27/2025   04:16:52   (  -0.01, 140.77) (  -0.86, 136.91)  439.88                80
 02/28/2025   04:00:47   (  -0.00, 140.76) (   0.15, 141.44)   77.19                80
 03/02/2025   16:03:51   (   0.00, 140.73) (  -0.02, 140.69)    5.12                80