Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 2 13.  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)
 02/14/2025   16:03:43   (  -0.01, 140.77) (  -0.01, 140.75)    2.96                80
 02/17/2025   04:04:17   (   0.01, 140.74) (  -0.17, 139.96)   89.27                80
 02/18/2025   03:48:13   (   0.01, 140.73) (   0.87, 144.48)  428.07                80
 02/19/2025   16:10:02   (  -0.01, 140.71) (   0.32, 139.21)  171.02                80
 02/20/2025   15:48:37   (  -0.00, 140.70) (  -0.67, 143.74)  346.39                80
 02/22/2025   04:10:35   (  -0.00, 140.68) (  -0.48, 138.42)  256.30                80
 02/23/2025   03:54:31   (  -0.00, 140.66) (   0.51, 142.96)  261.47                80
 02/24/2025   16:16:19   (   0.00, 140.64) (   0.65, 137.68)  336.72                80
 02/25/2025   15:54:55   (  -0.00, 140.62) (  -0.34, 142.21)  181.15                80
 02/27/2025   04:16:53   (   0.00, 140.59) (  -0.80, 136.89)  421.01                80