Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 6 22.  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)
 06/23/2025   15:42:33   (  -0.02, 140.76) (  -0.97, 145.14)  498.27                80
 06/25/2025   04:04:31   (   0.01, 140.77) (  -0.17, 139.82)  106.88                80
 06/26/2025   03:48:27   (   0.01, 140.76) (   0.82, 144.36)  409.55                80
 06/27/2025   16:10:15   (  -0.01, 140.76) (   0.34, 139.08)  190.13                80
 06/28/2025   15:48:51   (  -0.01, 140.75) (  -0.66, 143.61)  326.88                80
 06/30/2025   04:10:48   (   0.00, 140.73) (  -0.55, 138.31)  276.54                80
 07/01/2025   03:54:43   (  -0.00, 140.72) (   0.44, 142.84)  241.26                80
 07/02/2025   16:16:32   (   0.00, 140.69) (   0.71, 137.57)  356.32                80
 07/03/2025   15:55:07   (   0.00, 140.68) (  -0.29, 142.10)  161.72                80
 07/05/2025   04:17:06   (  -0.01, 140.65) (  -0.85, 136.78)  440.72                80
 07/06/2025   04:01:01   (  -0.01, 140.63) (   0.14, 141.31)   77.70                80