Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 5 1.  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)
 05/02/2025   04:16:14   (  -0.02, 140.79) (  -0.86, 137.01)  429.88                80
 05/03/2025   04:00:10   (  -0.02, 140.79) (   0.15, 141.54)   86.04                80
 05/05/2025   16:00:37   (   0.03, 140.77) (   0.02, 140.79)    2.14                80
 05/08/2025   04:03:51   (  -0.03, 140.75) (  -0.22, 140.01)   85.06                80
 05/09/2025   03:47:47   (  -0.03, 140.73) (   0.80, 144.53)  432.35                80
 05/10/2025   16:09:38   (   0.03, 140.70) (   0.37, 139.25)  166.24                80
 05/11/2025   15:48:14   (   0.03, 140.69) (  -0.65, 143.77)  351.26                80
 05/13/2025   04:10:12   (  -0.01, 140.67) (  -0.48, 138.45)  252.22                80
 05/14/2025   03:54:08   (  -0.02, 140.66) (   0.48, 142.99)  265.65                80
 05/15/2025   16:13:18   (   0.01, 140.62) (   0.67, 137.71)  332.13                80