Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 6 24.  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)
 06/25/2025   04:04:31   (   0.04, 140.77) (  -0.16, 139.82)  108.28                80
 06/26/2025   03:48:27   (   0.05, 140.77) (   0.83, 144.35)  408.59                80
 06/27/2025   16:10:15   (  -0.05, 140.75) (   0.33, 139.08)  190.68                80
 06/28/2025   15:48:51   (  -0.05, 140.74) (  -0.67, 143.61)  326.79                80
 06/30/2025   04:10:49   (   0.04, 140.72) (  -0.48, 138.29)  275.61                80
 07/01/2025   03:54:45   (   0.04, 140.70) (   0.51, 142.83)  242.66                80
 07/02/2025   16:16:33   (  -0.04, 140.66) (   0.64, 137.55)  354.43                80
 07/03/2025   15:55:08   (  -0.05, 140.64) (  -0.36, 142.09)  164.05                80
 07/05/2025   04:17:07   (   0.05, 140.61) (  -0.79, 136.77)  437.37                80
 07/06/2025   04:01:02   (   0.05, 140.58) (   0.21, 141.30)   81.45                80
 07/08/2025   16:01:26   (  -0.06, 140.52) (  -0.06, 140.56)    4.28                80