Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 2 14.  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, 140.79) (  -0.15, 139.96)   94.06                80
 02/18/2025   03:48:13   (   0.01, 140.79) (   0.83, 144.49)  421.59                80
 02/19/2025   16:10:01   (  -0.01, 140.79) (   0.35, 139.22)  179.04                80
 02/20/2025   15:48:37   (  -0.00, 140.79) (  -0.64, 143.75)  336.74                80
 02/22/2025   04:10:35   (  -0.00, 140.80) (  -0.51, 138.43)  269.49                80
 02/23/2025   03:54:30   (  -0.00, 140.80) (   0.48, 142.96)  246.56                80
 02/24/2025   16:16:19   (   0.00, 140.79) (   0.69, 137.69)  353.31                80
 02/25/2025   15:54:54   (   0.00, 140.79) (  -0.31, 142.22)  162.93                80
 02/27/2025   04:16:52   (   0.00, 140.79) (  -0.89, 136.91)  442.60                80
 02/28/2025   04:00:48   (   0.00, 140.78) (   0.17, 141.43)   74.38                80