Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 6 11.  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)
 06/12/2025   15:48:42   (  -0.02, 140.77) (  -0.66, 143.65)  328.09                80
 06/14/2025   04:10:39   (   0.02, 140.77) (  -0.54, 138.35)  276.96                80
 06/15/2025   03:54:36   (   0.01, 140.77) (   0.50, 142.87)  239.55                80
 06/16/2025   16:16:24   (  -0.01, 140.76) (   0.69, 137.60)  360.55                80
 06/17/2025   15:55:00   (  -0.01, 140.76) (  -0.30, 142.13)  156.23                80
 06/19/2025   04:16:58   (   0.01, 140.75) (  -0.84, 136.81)  448.04                80
 06/20/2025   04:00:53   (   0.01, 140.74) (   0.14, 141.35)   69.18                80
 06/22/2025   16:03:58   (  -0.02, 140.71) (  -0.02, 140.60)   12.97                80
 06/25/2025   04:04:31   (   0.02, 140.69) (  -0.19, 139.82)   99.33                80