Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 2 18.  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)
 02/19/2025   16:10:01   (  -0.00, 140.78) (   0.33, 139.21)  178.52                80
 02/20/2025   15:48:37   (  -0.00, 140.78) (  -0.66, 143.75)  337.37                80
 02/22/2025   04:10:34   (  -0.00, 140.78) (  -0.54, 138.44)  267.68                80
 02/23/2025   03:54:31   (  -0.00, 140.78) (   0.51, 142.96)  248.57                80
 02/24/2025   16:16:18   (   0.01, 140.78) (   0.71, 137.69)  351.86                80
 02/25/2025   15:54:54   (   0.00, 140.78) (  -0.29, 142.23)  164.61                80
 02/27/2025   04:16:52   (  -0.01, 140.77) (  -0.84, 136.90)  439.69                80
 02/28/2025   04:00:47   (  -0.00, 140.76) (   0.16, 141.43)   77.39                80
 03/02/2025   16:03:50   (   0.00, 140.73) (   0.03, 140.70)    4.58                80