Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 3 3.  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)
 03/05/2025   04:04:22   (  -0.01, 140.77) (  -0.19, 139.92)   96.22                80
 03/06/2025   03:48:18   (  -0.01, 140.77) (   0.82, 144.45)  419.95                80
 03/07/2025   16:10:05   (   0.01, 140.76) (   0.34, 139.18)  179.29                80
 03/08/2025   15:48:40   (   0.01, 140.76) (  -0.62, 143.72)  337.16                80
 03/10/2025   04:10:37   (  -0.02, 140.76) (  -0.54, 138.41)  268.09                80
 03/11/2025   03:54:32   (  -0.02, 140.75) (   0.49, 142.93)  249.18                80
 03/12/2025   16:16:19   (   0.02, 140.72) (   0.73, 137.67)  347.85                80
 03/13/2025   15:54:54   (   0.02, 140.71) (  -0.31, 142.20)  169.89                80
 03/15/2025   04:19:31   (  -0.02, 140.70) (  -0.90, 136.90)  433.62                80
 03/16/2025   03:58:06   (  -0.02, 140.68) (   0.14, 141.42)   84.73                80