Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 2 15.  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) (  -0.17, 139.96)   93.41                80
 02/18/2025   03:48:13   (   0.01, 140.78) (   0.87, 144.48)  422.39                80
 02/19/2025   16:10:02   (  -0.01, 140.78) (   0.31, 139.21)  178.19                80
 02/20/2025   15:48:37   (  -0.00, 140.78) (  -0.67, 143.74)  337.78                80
 02/22/2025   04:10:34   (  -0.00, 140.79) (  -0.54, 138.44)  267.97                80
 02/23/2025   03:54:30   (  -0.00, 140.78) (   0.45, 142.97)  248.29                80
 02/24/2025   16:16:18   (   0.00, 140.77) (   0.71, 137.69)  351.50                80
 02/25/2025   15:54:55   (   0.00, 140.77) (  -0.34, 142.21)  164.95                80
 02/27/2025   04:16:52   (  -0.00, 140.77) (  -0.85, 136.90)  440.13                80
 02/28/2025   04:00:48   (  -0.00, 140.76) (   0.15, 141.44)   76.97                80